An OST file has a few limitations like it can’t be imported into an Exchange server, Outlook, or Office 365 accounts. However, you can convert the OST file to Outlook importable PST format in such a situation. Unfortunately, as of now, Microsoft does not offer any in-built software or tool to convert the Outlook OST file.
In such cases, you must be looking for the best OST to PST converter software that can export mailbox data to a PST file. Here, we have reviewed the top 10 best OST to PST converter software for Windows OS. You can use these tools to easily convert OST files to PST format.
There are multiple utilities available online but selecting the best OST to PST converter software is quite complex. Now, don’t be upset as we have provided a complete solution to convert .OST to .PST files. You can even select any software from the best Outlook PST converter list to fix their issue and repair damaged/corrupted OST files. Let’s learn in brief about these best OST to PST converter software programs.
Why You Should Convert OST to PST File?
Before selecting any Outlook OST to PST converter program, it is important to learn why we should convert our OST (Offline Storage Table) files. Given below are some important reasons for the same:
- It may not properly connect with the Exchange Server.
- Failed Synchronization due to any unexpected error.
- Your OST files might be damaged, corrupted, and inaccessible.
- Viruses, Crash files, etc.
- Retrieved encrypted OST file.
So, after doing our deep research and testing, we have provided the list of Top 10 best OST to PST converter software. In addition, you can go through the software programs’ usage and features before using them.
10 Best OST to PST Converter Software to Convert OST into PST File for Windows
Here is the list of the top 10 Best OST to PST Converter software per users’ reviews, features, and experience.
Let’s discuss each one of them in detail.
1. SysTools OST to PST Converter
This tool allows you to perform OST to PST migration without any data loss. This well-known OST2PST Converter tool can convert Outlook 2021, 2019, 2016, 2013, 2010, and below version OST files to PST format. The software provides various saving options to save the OST file into various formats, including Outlook PST, EML, MSG, etc.
Pros:
- Converts inaccessible or orphaned files from OST formats to PST.
- Decrypts encrypted Outlook OST emails by removing S/MIME & OpenPGP encryption.
- Supports conversion of large OST files.
- Supports Batch Conversion for converting multiple OSTs to PSTs at once.
Cons:
- Don’t provide any option to compact PST files.
- .NET Framework 4.5 is required to avoid compatibility issues.
2. ZOOK OST to PST Converter
ZOOK OST to PST Converter is a popular OST file converter tool to extract and export offline OST mailbox data. Being one of the best OST to PST converter software, you can use it to migrate Exchange or IMAP Outlook OST to Outlook PST format. The software also helps you to access and convert orphaned or inaccessible OST to PST format in a few seconds.
Pros:
- Allows emails, contacts, calendars, etc. migration from OST to PST file format.
- Compatible with all Outlook versions.
- Maintains Meta-Properties & RTF Structure of emails during file type conversion.
- Provides an option to merge OST mailbox data to an existing PST.
Cons:
- The software supports only a few output file formats.
- Offers basic OST recovery features.
3. Stellar Converter for OST
Stellar Converter for OST is the ultra-amazing and most highly rated OST to PST converter tool in online markets. This converter program is trusted and recommended by Microsoft MVPs and IT admins and allows you to convert OST files to PST and multiple other formats. It also allows you to extract the mailbox items from Outlook OST and ensures data integrity during the transfer process. This software can recover deleted and lost mailbox items, including emails, attachments, contacts, etc.
Pros:
- Can easily and fastly convert OST files of any size.
- Provides an option to split and compact the converted OST file at the time of saving them as PST
- Contains multiple saving options, like PST, EML, HTML, RTF, PDF, and MSG.
- Compatible with Windows 11/10/8/8.1/7/XP/Vista.
- Supports Outlook 2021/2019, 2016, 2013, 2010, and other lower version (till 2000).
Cons:
The free version of the software saves only 20 items per mail folder to PST. But it allows you to preview all mailbox items in the OST file for free after conversion.
4. Kernel for OST to PST
Kernel OST to PST Converter is also helpful in converting orphaned OST files into PST from any Outlook editions. It retrieves orphaned or inaccessible OST files and converts them into different file formats, like PST, MSG, EML, etc.
Pros:
- Can recover lost or permanently deleted Outlook items.
- Converts OST to PST quickly and with accuracy.
- Provides graphical report after OST to PST conversion.
Cons:
- Free versions do not have most of the features available in paid versions.
- Does not offer any option to compact or split PST.
5. Shoviv OST to PST Converter
It can convert inaccessible and corrupt OST mailbox items to PST format. Being one of the best outlook PST converters, you can use it to convert OST to HTML, EML, vCal, and vCard formats.
Pros:
- Recovers hardly deleted OST files.
- Previews OST items before saving to PST.
- Supports all Outlook versions and Windows OS.
- Maintains folder hierarchy and data integrity.
- Option to split PST file while saving.
Cons:
- Cannot convert encrypted OST files.
- Unable to distinguish the deleted items.
6. CloudMigration OST to PST Converter
In the list of top 10 best OST to PST Converter software programs, CloudMigration OST to PST Converter Tool is known for its amazing features. It offers flexibility and allows you to perform the conversion per your requirement. You can convert OST to PST, MBOX, MSG, EML, and other file formats.
Pros:
- Offers Multiple OST to PST Export options to get the desired result.
- Fast and effective migration without data loss.
- Date range mail filtering feature.
Cons:
- Basic OST recovery features.
- Free versions do not offer most of the features.
7. BitRecover OST to PST Converter
BitRecover OST to PST Converter allows you to convert inaccessible or orphaned OST files to PST while maintaining data integrity and accuracy. It features advanced algorithms that can easily convert your OST files into other file formats. It also ensures that no data loss occurs while converting the file.
Pros:
- Converts OST files to PST format without any size limit.
- Saves attachments to PST format after converting the OST file.
- Offers Recovery Mode option to convert corrupt OST files to PST file.
Cons:
- There is no option to compress or compact PST files.
- Not enough supported output file formats.
8. Aryson OST to PST Converter
It is a highly recommended OST to PST Converter software by which you can export your Outlook mailboxes to different email clients. Along with this, it allows you to migrate OST to Gmail, Yahoo Mail, Office 365, etc. The software reduces the effort and time required to complete the process of migrating emails.
Pros:
- Easily converts OST files to PST, EML, MSG, MBOX, DBX, and Archive formats.
- Previews migrated OST files once it is successfully converted.
Cons:
- The Demo version converts OST to EML format only.
- Does not recover deleted items.
- Does not support Office 365 and live Exchange.
Along with the above best OST to PST converter software, you can try the following software programs which perform the same function:
9. SystInfo Tools OST to PST Converter
SysInfoTools OST to PST converter quickly converts OST files to PST, DBX, MBOX, EML, MSG, and other file formats. It can repair damaged or corrupted Exchange or IMAP Outlook OST files. You can also use it to convert and export password-protected OST files to PST file.
10. Data Recovery freeware OST to PST
It is a compact yet effective best Outlook PST converter app to export OST to PST file format in no time. The software is the best option if you do not need complexities while exporting their data and makes migration easy.
Conclusion
So, these are the list of the top 10 best OST to PST converter software for Windows systems. Along with these software programs, there are several other third-party solutions available in the market that you can try. If you are looking to convert OST to PST files manually[GKA1], you need to know that these manual methods may fail in many cases. It is important to check the features and applications of these tools before using them.
Also Read: Recover Lost Photos on Windows
