Top Free Unlimited OST to PST Converter for Windows in 2020 – Reviews and Comparison

OST is an offline storage file extension that allows users to work on the file even in offline mode and also in conditions when MS Outlook is not connected to any email server. There are times when users want to convert OST to PST file format due to some reasons. If you are also looking for a safe and quick OST to PST conversion then here, we will discuss some best free unlimited OST to PST Converter online tools that will help you with an effortless conversion.

OST file performs various functions such as composing new emails, reading existing emails, saving drafts, etc. It will automatically sync with the email server once the internet connection is re-established. 

PST file format is the short term used for Personal Storage Table which is the default format to import and export emails from Outlook application. PST file stores multiple emails, attachments, contacts, calendars, journals, etc.

Reasons for Export OST to PST

There are numerous reasons for which users want to transfer all their OST files to PST file format. We have listed some of the possible reasons below – 

  • When the Exchange server gets failed or crashes.
  • To backup some exchange mailboxes.
  • OST data migration.
  • Exchange server maintenance.
  • Accidental deletion of the Exchange Server.

List Of Top Free Unlimited OST to PST Converters

We will provide you the list of top OST to PST converter software available online in the market. It is always recommended to use the well known and best converter tools to perform the conversion of your important data.

1. SysInfotools OST to PST Converter

Convert Unlimited OST to PST Format

SysInfotools provides OST to PST converter software which can effortlessly convert multiple offline OST files to PST format within a short frame of time. The software provides several unique and amazing features which makes it an exclusive converter tool among others like batch conversion, date filter, search, faster conversion, preview, and many more. The tool also supports the conversion of corrupt or inaccessible OST files. 

Features:

  • Capable of converting OST files to different file formats such as PST, MBOX, MSG, HTML, EML, etc.
  • Exports password encrypted OST files to PST.
  • Exports emails, calendars, contacts, journals, tasks, and to-dos.
  • Supports corrupted or damaged OST files.

2. Data Recovery Solutions OST to PST Converter

Data Recovery Solutions is another big name that offers an exceptional free OST to PST converter online software. The software is designed to export offline OST to PST files. It enables users to convert all the mailbox items such as emails, contacts, journals, calendars, to-dos, etc. Also, there is no technical knowledge required to run the software.

Features:

  • Easily repair a corrupt OST file and convert it to PST.
  • It also supports the conversion of password encrypted OST files.
  • Recovers corrupted or permanently deleted mailbox items.
  • No file size limitation.
  • Provides Search, Date filter, and Preview options.

3. Cigati OST Converter

Cigati is amongst the best free unlimited OST to PST Converter provider available in the market. The software is able to convert the offline OST file to various other file formats such as PST, MBOX, MSG, EML, and many more. The tool provides a user-friendly graphical interface so that any technical or non-technical user can easily use the software.

Features:

  • It provides safer and faster OST to PST conversion.
  • Easily imports all mailbox items such as emails, contacts, journals, calendars, notes, etc. from OST to Outlook PST.
  • Provides advanced search and preview options.
  • Maintains a LOG file of the complete conversion process.
  • No technical expertise required.
  • Supports all the latest versions of Windows and Mac OS.

4. Aryson OST to PST Converter Software

Aryson is a renowned brand which deals with data recovery, data management, Cloud backup, and PDF management. The OST to PST converter software by Aryson is a best-rated software which is used to restore all the emails from the OST file and export them to Outlook PST format. The conversion includes all the attachments and mailbox items such as emails, calendars, contacts, tasks, etc. The software has advanced search features that help to search OST files from your local system.

Features:

  • Performs OST to PST conversion safely and View PST data without Outlook.
  • No technical expertise is required to run the software.
  • Provides preview option of OST mailbox folder before saving into the PST format.
  • Maintains data integrity during the conversion process.
  • Supports password encrypted OST file conversion.
  • Provides a demo version of the software for a free evaluation.

5. MailConverter Tools OST to PST Converter

Mail converter tools also provide free unlimited OST to PST converter software. The software is able to migrate OST to PST format easily and quickly. The tool also supports the recovery of corrupt or damaged OST files and converts them to PST. The software provides a user-friendly graphical interface and several amazing features that helps in simplifying the conversion process.

Features:

  • It is capable of converting OST files to various other file formats such as PST, MBOX, MSG, EML, DBX, and many more.
  • No file size limitation.
  • It does not alter the structure or hierarchy of the original file.
  • The demo version of the software allows users to convert the first 25 emails for free.

Final Words

Above, we have mentioned top free unlimited OST to PST Converter tools available in the market which provides ease and security in OST to PST conversion. All the software mentioned here is well known and recommended software for quick and effortless conversion. 

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