Stellar OST to PST Converter
Download For Windows PC

Easily convert offline storage (.OST) file to personal storage (.PST) file.
Free Download
3.2/5 Votes: 26
Stellar Information Technology Pvt Ltd.
Oct 15, 2022
22.8 MB
Windows 11,10, 7, PC
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If you are looking for a converter for PST, Stellar OST to PST Converter should be your first choice. It performs secure conversion of OST files to Outlook importable PST files. Stellar keeps files without altering the email text formatting and the original folder structure of your mailbox.

Stellar Ost to PST Converter effectively converts contacts, emails, notes, journals, calendars, attachments, and entries. This tool can perform an extensive search of specific emails after the scanning based on parameters such as ‘To’, ‘From’, ‘Subject’, and ‘Date’. You can select the desired emails and save them either as EML or MSG files.

Stellar OST to PST Converter download version for Windows 11, Windows 10, Windows 8.1, 8, Windows7, & Mac PC.

Stellar Converter for OST Download

Stellar effectively convert contacts, emails, notes, journals, calendars, attachments, and entries. This tool can perform an extensive search of Stellar Converter for OST extracts the PST from the OST without effort. Yeah, that’s true. A manual approach to it might result in a great inconvenience and is always prone to a super technical error. Therefore, a professional approach is to use Stellar converter to OST.

For instance, in case of the Exchange Server downtime or the Exchange Server maintenance, you will not be able to access your mailbox. To access the mail items, you need to convert OST to PST and then import it to the MS Outlook application. Amazing right?

PST file holds up to a Large Amount of Data

Stellar makes it conveniently easier to convert the large-sized OST files to PST in situations where there is a power failure or a Microsoft Outlook or Exchange Server crash.

The tool will easily convert the OST file and extract the data with 100% precision. Hence, through this, you can access the mail items and import them back to the Microsoft Outlook application.

Extract the Mailbox Essentials

Converting to PST by Stellar helps in extracting the emails, attachments, contacts, calendars, tasks, notes, journals and the deleted mail items from the offline data file (OST). As a result, converting is the best solution for any situation that needs the user to move the OST file to PST.

Convert Even the Encrypted OST file

Often time, opening the encrypted OST file may lead to the loss of access to the mailbox data. An escape to this problem is to convert the encrypted OST to PST. Then and only you can access the mailbox data.

There’s even more to it. You can view and extract the specific mailbox items from the offline data file (OST) in the Preview Pane feature of Stellar and then convert them to PST.

Multi-File Format Support

Converting to PST from OST allows users to extract the mailbox data in different file formats such as PST (being one), MSG, EML, RTF, HTML, or PDF. Thereafter, allowing you to view the mailbox contents in applications such as Outlook, web browser, PDF reader, text reader, etc.

To your ease the OST to PST converter sorts and organizes the messages or the mailbox data in an organized manner while maintaining the original arrangement of mail items. Once the scanning is completed the tool then sorts and organizes the emails by Date, From, To, Subject, Type, Attachment, Importance, etc.

Compresses the PST File

Stellar converter to OST compacts the PST file by compressing the attachments in a PST file. This way it can extract, compress, and save the attachment in a folder while preserving interlinks through the PST file.

There’s the other variant too. The tool can help you split a PST file in the sizes of 1-50 GB while retaining the original organization of the mailbox data. It splits the PST file by Size, Data, Email ID, and folder. Hence, this way you can manage the large PST files easily.

Batch Convert OST to PST

OST to PST Converter Tool by stellar offers you to convert OST files to PST simultaneously through a batch process feature. This is super helpful when for example an organization migrates to a new email service and needs to extract the data from several OST files.

However, the feature is available in the Technician Edition. Moreover, the OST PST converter tool allows the user to save the OST file ‘scan’ information as a DAT file. You can then load it later to continue the conversion. Hence, it is great for splitting the OST to PST in two stages either at different times or on different systems.

Migrate the PST files to Office 365

OST to PST converted files are super easy to export to Office 365. All it requires is the login to Office 365 and then the export of the mailboxes directly through its interface. However, this feature is only available in the Technician Edition of the Software.

It’s Worthwhile – For a Reason – Though

Stellar conducted its software analyses by an industry expert and solution consultant for Microsoft Outlook, Exchange, and Office 365 – Lisa Hendrickson. She was assigned to verify the authenticity and integrity of the OST to PST converter tool.

She proposed a benchmark study measuring and quantifying the performance of the converter based on the parameters of Speed, Precision, Completeness, and Consistency. Here are her findings:

  • Speed: It has a faster conversion rate.
  • Precision: Stellar converter attains the highest benchmark
  • Completeness: Converts and extracts all ‘user-specified’ mailbox components in PST. When compared with SysTools OST Recovery, both performed and extracted the most and an almost similar number of mailbox items for all the test samples.
  • Consistency: It did pretty well.

Stellar Converter for OST Editions

It comes mainly in three variants. The corporate, The Technician, and the Toolkit. The Corporate that converts OST to PST and extracts all mailbox items come with a pricing plan of $79. The technician is also the best seller to convert multiple OST files and export them to Exchange or Office 365.

It does obviously host a bunch of advanced features, for example, converting multiple OST files in a batch or compacting and splitting the PST file. It, however, comes with a price tag of $149.

The toolkit that compliments all the features of the technician + seven more of the features, comes with a pricey tag of $199. However, this variant does a lot. For example, it removes the duplicate emails or recovers the lost password of the PST or restore the deleted emails, and so on.

What does the Free or the Demo Version of the Software do?

It allows you to extract and preview the Outlook OST file up to 20 items per folder.

How do I import an OST file into Outlook?

  1. Run Outlook. Go to file click on info then on account setting.
  2. In account settings from the Email tab and click on Microsoft exchange.
  3. Select more settings.
  4. From Microsoft exchange Window, click on “Advanced”.
  5. Go to the offline folder file setting.
  6. Write the path of the OST file in the file field.
  7. Click ok
  8. Click finish.

What happens if the OST file is deleted?

OST files is an offline version of Exchange server files. If it gets deleted somehow, the user can get its fresh copy by downloading it from the server again.

Stellar OST to PST Converter Latest Version Update

Updated to version 12.1 on Oct 15, 2022