Best File Converter Software for 2026

DataVare OST to PST Converter is a practical solution for converting OST files into PST format without requiring MS Outlook or an Exchange Server connection. It works independently, making it useful for users who need to convert, access, or recover mailbox data from OST files. The software can support any type of OST files, such as healthy, corrupted, damaged and inaccessible files. There is no limit to the file size, which means that users can process large OST files without any hassles. The software automatically keeps the original folder structure intact during conversion so that the mailbox data will be organised and easy to access. It also enables users to upload individual OST files or select complete folders for processing. The full preview feature lets users view mailbox contents before conversion and select the required data. Advanced filter options provide better control over the conversion process, including the option to split PST files when needed. The software offers 10+ conversion and migration solutions to satisfy various mailbox transfer demands. Its “Guide Me” functionality assists users in understanding the conversion process and completing the work with less effort. Its modern and clear interface makes the workflow straightforward even for those without advanced technical skills. DataVare OST to PST Converter also comes with 19+ languages, making it accessible to users in different regions. Whether the OST file is healthy or affected by corruption or accessibility issues, the converter provides a straightforward way to convert mailbox data while preserving its folder organisation. Moreover, the software works efficiently and smoothly in all the newer and older editions of Windows OS.

PixelTools is a free, privacy-first toolkit covering everyday image, PDF, video, and audio tasks. It bundles 60+ tools in one place, across three categories: Image: a format converter (WebP, HEIC, PNG, JPG, AVIF, SVG, BMP, TIFF), an image compressor (reduce file size up to 90%), an AI background remover, a resizer with one-click social presets, a cropper, a rotator/flipper, an AI upscaler (2× and 4×), a watermark tool, a blur tool (including automatic face and area blur), a pixelator, a color inverter, an Instagram grid maker, and a screenshot beautifier. PDF: merge, split, compress, crop, rotate, unlock, sign and annotate PDFs, delete/extract/reorder pages, add page numbers, extract text, convert PDF ↔ image, and convert Word, PowerPoint, Excel or HTML to PDF. Audio/Video: a video format converter (MP4, MOV, WebM, MKV, AVI), a video compressor, trimmer, cropper and merger, a speed changer, a video-to-GIF converter, a frame extractor, an audio remover, an MP4-to-MP3 extractor, and a full audio toolkit (convert, compress, trim, split, join, change pitch). What makes PixelTools different: everything runs entirely in your browser using the Canvas API, ffmpeg (WebAssembly), and on-device AI. Your files never leave your device: no upload, no server, no account, no sign-up wall. It's completely free with no per-file limits, supports batch processing, and works on desktop and mobile.

Softaken NSF to PST Converter is a powerful tool built to convert NSF files to PST format with complete accuracy. It is designed to help users convert Lotus Notes NSF files to Outlook PST without losing emails, contacts, calendars, notes, journals, tasks, or other mailbox items. The software keeps the original folder structure, email formatting, and attachments unchanged during the conversion process. The user-friendly tool is useful for everyone, whether they are home users or businesses. Its simple interface allows anyone to complete the conversion without advanced technical skills. Also, the software provides a complete preview of mailbox items to ensure accuracy. It also supports all NSF files created by any version of Lotus Notes. All resulting PST files are easily imported into all versions of MS Outlook. It also provides users with multiple advanced filter options like a date filter or split PST option for achieving a desired outcome. Users are also enabled to store the resulting outcome at a selected path on the PC. In addition, the Lotus Notes installation is required to use this software.

Softaken TGZ to PST Converter is a reliable software solution designed to convert TGZ files into Outlook PST format. It lets users convert TGZ to PST in an efficient way, retaining the original mailbox structure such as emails, folders, attachments and other crucial data. This software is very helpful for users who want to open TGZ mailbox data in Microsoft Outlook without any data loss. The TGZ to PST Conversion method is quite simple and does not require advanced technological know-how. It has a simple user interface that allows adding TGZ files, previewing mailbox contents, selecting required folders and saving the converted information in PST format. The tool is designed for individual users as well as organisations that need to migrate mailboxes or recover data. It is designed to deliver accurate results while preserving important email attributes and folder hierarchy during conversion. All resulting PST files are easily opened in all versions of MS Outlook. Moreover, the converter tool runs efficiently and smoothly in all editions of Windows OS.

DataVare TGZ to PST Converter is a smart and secure solution built to convert TGZ files into PST format. The software makes the process of accessing Zimbra mailbox data in MS Outlook simple and secure. The tool is beneficial for everyone, whether they are individuals, small businesses, or large enterprises, who want to migrate Zimbra to MS Outlook without dealing with complicated technical steps. The software also provides a full preview of the uploaded Zimbra TGZ files before beginning the conversion task. During the conversion process, the software maintains complete data integrity and formatting. Its simple and clean graphical user interface makes the software easy to use; no advanced tech skills are needed. It works completely independently; no Zimbra or Outlook installation is needed to use it. Users are also permitted to store the resulting files at a chosen or selected path on the PC. Additionally, the converter software runs efficiently and smoothly in all versions of Windows OS.

GainTools OLM Converter is a simple and expert solution designed to convert OLM files into different file formats without losing data quality. It helps users export OLM emails, contacts, calendars, notes, journals, and other mailbox items with just a few clicks. The software supports multiple output formats (PST, MSG, MBOX, EML, etc), making it easy to access Outlook for Mac data on different email platforms and applications. The tool keeps the original folder structure, email formatting, attachments, and metadata during the conversion process. The software is useful for both personal and business users who need a quick and secure OLM conversion solution. The software offers an easy-to-use and clean user interface that requires no advanced tech skills are needed to use. OLM File Converter supports all OLM files from Outlook for Mac (2011, 2016, 2019, & 2021). Users can preview mailbox data before starting the conversion and select only the required folders to save time. No Outlook or any external application installation is needed to use it. Moreover, the Conversion tool is available in all editions of Windows OS.

DataVare MBOX to PST Converter is a reliable solution for converting MBOX files into PST format safely and efficiently. This is meant for users who wish to export emails from MBOX-supported email clients such as Apple Mail, Thunderbird, Eudora, PocoMail, The Bat and many more to MS Outlook. The software helps to preserve emails, attachments, folders and other mailbox items during the conversion process. The utility is designed with a modern and clean graphical interface that makes MBOX to PST conversion easy for both beginner and experienced users. It also offers 19 language choices so that users can use the software in their preferred language. With the advanced preview option, you can see the data in your mailbox before you begin the conversion. This helps in checking emails and files and selecting the relevant info easily. The application provides full and selective mailbox conversion. If users do not need the entire mailbox, they can convert individual folders or choose selected mailbox data, or go for the full mailbox for a complete migration. DataVare MBOX to PST Converter also includes a split PST option that allows users to divide large PST files based on size. This can make large converted mailboxes easier to manage and store. The software automatically maintains the original mailbox structure during conversion, helping users keep emails and folders organised. It does not require any external application to complete the conversion and allows users to save the resulting PST files to their preferred location. Additionally, the software works flawlessly and smoothly in all versions of Windows OS.

MacSonik PST Converter is a professional email conversion and migration solution designed to help users manage Outlook PST files without requiring Microsoft Outlook. It supports Windows, macOS, and Linux, making it suitable for individuals, IT administrators, enterprises, migration specialists, and data management professionals. The software enables users to convert PST files into multiple formats, including MBOX, EML, MSG, PDF, DOCX, CSV, JSON, and other commonly used formats. It can also migrate PST data directly to platforms such as Microsoft 365, Office 365, Google Workspace, Thunderbird, Yahoo Mail, and IMAP-enabled accounts. During conversion, the tool preserves email formatting, attachments, metadata, timestamps, MIME structure, and original folder hierarchy. MacSonik PST Converter supports bulk processing for handling multiple PST files efficiently. Users can preview mailbox data before conversion and apply filters based on date range, sender, recipient, subject, or folders for selective export. Additional capabilities include duplicate email removal, splitting large PST files, skipping previously exported items, and support for both ANSI and Unicode PST files. The software is also designed for enterprise migration scenarios with multi-user mailbox mapping and modern authentication options. Its straightforward interface helps both technical and non-technical users perform PST conversion, archiving, backup, and migration tasks with less manual effort. A free demo version is available to evaluate the software before purchasing the full edition.

DataVare EML to PST Converter is an easy-to-use solution designed to convert EML to PST format without losing important email data. It is designed to transfer EML files into Outlook PST format while keeping emails, attachments, folder structure, and formatting unchanged. The tool supports all EML files created by many email clients, including Windows Live Mail, Thunderbird, Apple Mail, and many others. It converts single or multiple EML files in one process, saving both time and effort. It offers a clean and simple, graphically user-friendly interface that works for both tech and non-tech users. The software converted all PST files easily on all versions of MS Outlook 2024, 2021, 2019, 2016, 2013, 2010, and older ones. It also allows users to select the destination path for storing resulting data on the PC. Additionally, the conversion tool works efficiently in all versions of Windows OS.

DataVare Address Book Converter is a reliable and easy-to-use software that allows users to convert and manage contact data from one format to another with ease. It is a useful tool for users who need to organise, transfer, import or export address book information without losing essential contact details. The application is for individuals, professionals and organisations working with big volumes of contact data. The tool has a modern and intuitive user interface, which makes it easy to convert contacts, whether for technical or non-technical users. It has an intuitive interface with simple navigation, enabling users to quickly locate desired functions and execute conversion tasks effortlessly. The software also has 19 language options, which enable users from various locations to operate the application in their favourite language. DataVare Address Book Converter allows users to export and import VCF files for easy transfer of contacts between different apps, devices and platforms. The contact information in the conversion is preserved so users can effectively handle the contact information in VCF contact files. One of the primary features of the software is the ability to merge and split VCF files. Users can merge several contact files into one file, or split a huge VCF file into smaller parts as per their requirements. This capability is especially beneficial for maintaining and organising large address book data. The software also has several filtering settings that enable users to have greater control over the contacts they want to process. By applying relevant filters, users can selectively manage required contact data instead of processing the entire address book. It also enable users to store the resulted files at selected path on PC. Additionally, the software works flawlessly and smoothly in all the latest and older editions of Windows and Mac OS.

Softaken CSV to vCard Converter helps users convert contact information stored in CSV files into vCard format. The software helps transfer contact lists from spreadsheets or other applications to phones, email clients, address books and platforms supporting VCF files. Users can add a CSV file to the application and see the available contact information before starting the conversion. The preview makes it easier to evaluate data. Users can also map CSV columns to the right vCard fields so names, phone numbers, email addresses, locations, company information and more are inserted properly. The software supports different vCard versions, allowing users to create VCF files according to their requirements. Contacts can be exported into a single vCard file or separate VCF files for individual contacts. This can be useful when a large contact list needs to be transferred or organised. The advanced software also provides options for handling duplicate contacts during the conversion process. Users can select the required output location and save the resulting VCF files for further use. With its simple and clean graphical user interface, both individual and business users can use it effortlessly. Moreover, the utility runs efficiently on the Windows Operating System.

Softaken MBOX to PST Converter is an easy-to-use software that helps users convert MBOX to PST without losing email data. It supports MBOX files from popular email applications such as Thunderbird, Apple Mail, Eudora, Entourage, The Bat, and many others. The software makes the MBOX to PST conversion process simple for everyone, whether they are home user, small businesses or large enterprises. One of its useful features is the date range filter, which lets users export emails from a selected time period instead of converting the entire mailbox. The software can also repair broken MBOX files before export, making sure important emails convert successfully. Another helpful feature is the split PST option, which creates smaller PST files and helps avoid large Outlook data files. The tool keeps all email properties, attachments, folder structure, and formatting unchanged during the conversion process. It also supports bulk conversion, allowing users to process multiple MBOX files in a single operation. The standalone tool works completely independently, so no external application installation is required to complete the process. The advanced tool also enables users to store the resulting data at a chosen or selected path on the PC. Additionally, the converter works efficiently and securely in all the newer and older editions of Windows OS.

MacSonik MBOX Converter is a professional email migration and conversion solution designed for users who need to manage MBOX data efficiently on Mac and Windows. The software converts MBOX, MBX, and MBS files into multiple formats, including PST, MSG, EML, PDF, HTML, CSV, TXT, DOCX, and more. It also supports direct migration to Microsoft 365, Office 365, Gmail, Google Workspace, iCloud Mail, and IMAP servers without requiring Outlook or another email client. The tool can process individual files as well as multiple MBOX folders in bulk, making it suitable for both personal and business requirements. Users can preview mailbox data before conversion, apply filters based on date, sender, subject, and mail status, and remove duplicate emails for cleaner results. Its mailbox mapping feature helps organize data when migrating multiple accounts. MacSonik also supports orphan MBOX files, allowing users to access mailbox data even when the original email application is unavailable. With incremental export, users can resume migration without repeatedly processing completed data. Local processing keeps mailbox information on the user's system, providing greater control over sensitive email data. The software is useful for email archiving, backup, migration, compliance, and large-scale mailbox conversion projects.

MacSonik vCard Duplicate Remover is a dedicated utility for finding and removing duplicate contacts from VCF files on Mac. It helps users clean contact collections efficiently by processing either individual vCard files or multiple files in bulk. The application identifies duplicate entries using details such as First Name, Last Name, Mobile Number, and Email Address, allowing users to manage contacts according to specific matching criteria. The software provides flexible options for handling the resulting contacts. Users can save all contacts into one VCF file or generate separate vCard files for individual contacts. It also supports naming contacts based on selected contact fields or the original vCard file name. A custom destination option makes it easier to organize the output according to individual requirements. MacSonik vCard Duplicate Remover features a straightforward graphical interface suitable for both technical and non-technical users. It supports major macOS versions and allows users to evaluate its capabilities through a free trial. The trial version can process up to 10 VCF files and save up to 25 original contacts per VCF. With bulk selection, configurable duplicate-removal parameters, and multiple saving options, the tool provides a practical way to maintain cleaner and more organized vCard data.

MacSonik EMLX Converter is a professional desktop application designed to convert Apple Mail EMLX files into multiple formats and supported email platforms. It helps users manage email data efficiently while preserving important mailbox information, including message content, formatting, headers, attachments, metadata, and folder hierarchy. The software supports bulk conversion, allowing users to process multiple EMLX files or complete folders in a single operation, which can reduce manual effort during large migration projects. The tool provides flexible export options, including EMLX to MBOX, PST, PDF, EML, MSG, OFT, CSV, and other formats. Users can also migrate EMLX data directly to platforms such as Office 365, Gmail, and IMAP-based accounts. Before conversion, the built-in preview feature lets users inspect emails and attachments to verify the data they want to process. MacSonik EMLX Converter also includes duplicate email removal, attachment management, advanced filtering, custom naming, and destination path options. Users can filter emails by criteria such as date range, subject, sender, or recipient for more selective conversion. With support for both macOS and Windows, the software is suitable for individual users, IT administrators, businesses, and organizations handling email migration, backup, archiving, or cross-platform accessibility.

GainTools TGZ Converter is a simple and secure way to convert Zimbra TGZ files to multiple formats. It helps users convert TGZ files into multiple file formats like PST, EML, MSG, MBOX, etc. The software ensures 100% data integrity and proper formatting during the process. The advanced version provides an easy-to-use and clean interface that both technical and non-technical users can effortlessly use. Zimbra Converter works completely independently, so no Zimbra Desktop installation is needed to use this standalone tool. Also, the software provides a full preview of the uploaded Zimbra TGZ file before starting the process to ensure accuracy. Users can also store the resulting data at a chosen or selected path on the PC. Additionally, the conversion tool works efficiently and smoothly in all versions of Windows OS.

Aryson OST Viewer Tool is designed to help users open, read, and examine Outlook OST files without installing Microsoft Outlook or connecting to an Exchange Server. It provides a structured preview of emails, attachments, contacts, calendars, tasks, notes, journals, and other mailbox items while maintaining the original folder hierarchy. Users can open multiple OST files and search for specific emails using sender, recipient, subject, keywords, or date-range filters. The software also supports password-protected and encrypted OST files and can export selected mailbox data to PST, PDF, MBOX, EML, EMLX, MSG, CSV, and HTML formats. It is useful for accessing offline, orphaned, or inaccessible OST data when Outlook is unavailable. The tool supports OST files created by different Outlook versions and provides a straightforward interface for browsing mailbox contents. A free version is available for viewing OST data, while exporting is subject to the applicable trial limitation.

GainTools NSF Converter is designed for users who need a convenient way to manage and convert IBM/HCL Lotus Notes NSF mailbox data. The software helps individuals, businesses, and IT professionals move important email information from NSF files into more accessible formats (PST, EML, MBOX, HTML, etc) without making the migration process unnecessarily complicated. The software provides a straightforward workflow that allows users to select their NSF file, preview the available mailbox information, and proceed with the conversion according to their requirements. It has an advanced date filter option to filter data for accuracy. NSF Conversion can be useful when organisations are moving away from Lotus Notes or need to make legacy mailbox data available in another email environment. The tool is suitable for both individual and professional users. The software runs seamlessly and smoothly on all editions of Windows OS. Moreover, Lotus Notes must be installed to use this software.

DataVare PST to EML Converter is a simple and useful tool for converting PST files into EML format. It allows users to extract emails from Outlook PST files and save them as EML files without changing the original email content. During the conversion process, the software protects sensitive email information, attachments, and other data. Also, it helps users keep their mailbox contents organised by automatically preserving the original folder structure. The software comes with a modern and clean GUI that makes the conversion process easy to understand and use. Users can select the PST file and view its complete content with the full preview option before starting the conversion. The preview helps users check emails, folders, and other available data in the selected PST file. It supports 19 language options, making it convenient for users in different regions. It also provides a naming convention feature that allows users to organise and save converted EML files with suitable names. Additionally, the PST to EML Conversion Tool works efficiently on both Mac and Windows OS.