5. Frequently Asked Questions (FAQs)

1. What does Stellar Converter for OST do?

The Stellar Converter for OST converts OST file and provides options to export data to Live Exchange Server, Existing Outlook Profile and Office 365. Also, provides options to save data in PST, MSG, EML, RTF, HTML, PDF, DBX and MBOX formats.

2. What is an OST file?

OST (Offline Storage Table) file represents the user's mailbox data in offline mode. An Exchange account uses an offline Outlook data file i.e. OST file, to store a synchronized copy of your Exchange mailbox information on your local computer or the local machine. Therefore, an OST file is automatically created when you configure the Exchange Server account on Microsoft Outlook.

3. I am not aware of the OST file location. How do I select the file for conversion to PST?

Stellar Converter for OST can help you find OST file on your system. There is a dedicated Find option in the software through which you can locate a particular OST file and convert it.

4. I had run the demo and can see preview correctly in convert OST window. Do I need to rescan the file?

Not at all, through the Demo version, you can preview the converted file after scanning. This special feature has been included in the tool to make sure that you can first preview the conversion results of your OST file and only when you are satisfied with the results, you should decide to make the purchase and save your converted files.

5. I want to recover permanently deleted emails from my OST file. Will Stellar Converter for OST help?

Yes, the software scans and recover your permanently deleted emails from OST file. Before saving the deleted items you can preview them as well. These deleted items will be shown in red color while previewing.

6. Can we exclude the deleted items from the converted mailbox while saving?

Yes, select the checkbox "Do not convert Deleted Items" to exclude the deleted items from the converted file.

7. How much time will Stellar Converter for OST software takes to convert an OST file?

The conversion time depends upon the size of the OST file and also on the number of mailbox items in the mailbox.

8. I got an error "Invalid OST file" while scanning. What could be the reason?

There could be the following reasons for this error message:

• The OST file is severely corrupted or not in a state to be converted.
• The OST file is not valid.
• The file could not be accessed.

9. I have converted my old OST file. But I’m unable to find my contacts. How can I find them?

You can easily locate and access your contacts by following these simple steps:

• Import your new PST file into MS Outlook.
• Open MS Outlook.
• Then press "Ctrl+Shift+F".
• "Find Message / Advanced Find" window will open. Please select "Contacts" under "Look For" tab.
• Click on the "Browse" button and select the imported PST file.
• Then, click "Find Now."
• Now you will be able to see all the contacts that you were able to preview with the software’s demo version. You may select the entire contacts listed and drag it to your original contacts list, so that you may use it further.

10. Can I convert an OST file of size more than 2 GB?

Absolutely yes, this tool is capable of converting OST files having a size greater than 2 GB. Please download the demo version and scan your OST file. You can preview all emails and other mailbox items that are converted into this tool.

11. I want to analyze the conversion process. Can I see the log report at a later stage?

Certainly. The software provides you an option to save and view log reports at any point in time. To view and save log reports just follow the following steps:

• On View Ribbon, select 'View Log Report.'
• On Stellar Converter for OST window, click 'Save Log' and save it at the desired location to view it any time. To know more refer to Log Report.

12. Should Microsoft Outlook be installed in my system while I convert my OST file and with which version it works well?

Microsoft Outlook is not required while converting and previewing OST file, but it must be installed in your system to use save options. The software is compatible with the following versions:

Microsoft Outlook: Office 365 / 2019 / 2016 / 2013 / 2010 / 2007.

13. What does the compact feature of Stellar Converter for OST do?

As the name suggests, the compact feature of Stellar Converter for OST helps to reduce the size of converted PST files and attachments on MS Exchange Server. It has various options for attachments of emails that are selected for compaction and extraction.

14. Why do I need to compact the PST files?

MS Outlook stores all data such as emails, personal data, calendar, tasks, etc. in a PST file. Eventually, the file becomes oversized. Such PST files are prone to corruption, so you need to compact them. Stellar Converter for OST - Technician, has a compaction feature that helps to compact the PST file.

15. Can I extract all my attachments in a separate folder while compacting the PST file?

Yes, you can extract the attachments in a separate folder. There are two options to do it Extract and save attachments to a folder (No interlinking is lost) or Extract, compress and save attachments to a folder (No interlinking is lost) option. The attachments remain as shortcut links in the emails.

16. I want to extract and compact the software on select folders of the PST file. Can I choose some selected mailbox folders in the software?

Yes, you can apply extraction and compaction settings on only the selected folders of the PST file.

17. Can I restore the links of attachments to the PST file?

Yes, you can restore the links by using the Relink Attachment Folder. You need to relink the attachment folder when you move it after using Extract and save attachments to a folder (No interlinking is lost) or Extract, compress and save attachments to a folder (No interlinking is lost) option.

18. I converted my OST file, but I’m unable to open my Outlook file after the conversion. How can I solve this problem?

• To resolve this problem, follow the below-mentioned steps:
• Open Windows -> Control Panel.
• Double-click Mail. In the Mail Setup window, select E-mail Accounts to configure your email account.
• After configuring, close the window and open MS Outlook.
• To view the newly created PST file, you can either select Open -> Outlook Data File from File ribbon or, Import the PST file in MS Outlook.

19. In how many ways can I split a PST file using Stellar Converter for OST?

There are three ways to split a PST file using Stellar Converter for OST. They are as follows:

• By Mail ID - You can select email ids under Mail IDs scroll box to split the PST file according to email ids. Alternatively, you can also use the Select All / Unselect All buttons to select/unselect all the email ids. All selected email ids will be stored in the new PST file, and no change is required to be done to the source file. To know more refer to Filter by Mail ID

• By Date Range - You can select Split By Date Range checkbox and then select either of the two options:

  • Select in the last radio option if you want to split the PST file according to months. All emails that are sent and received in the specified months will be stored in the new PST file

  • Select between radio option if you want to split the PST file according to a specific period. All emails from the specific period will be stored in the newly created PST file. Select the start and end date from the list boxes. To know more refer to Filter by Date Range

• By Size - You can select Split by Size checkbox and then split the PST file to a maximum size of 50 GB. Either enter the digit or using an upward or downward arrow set the number as per your requirement. With this option, you will get multiple split PST files. To know more refer to Split by Size

Note: In case you select all the three split option checkboxes (By Mail Id, By Date Range, and By Size), the software will queue them and will split PST files using all the three methods.

20. I have an OST file exceeding 50 GB of size, does the new PST file generated will have the same size as that of source OST file?

For large files, Stellar Converter for OST automatically splits the new PST file in small sizes. The size of the split files depends on the version of Outlook installed on your computer:

If you have Outlook 2007 installed, the new PST will be splitted at approximately 18 GB size.

If you have Outlook 2010 or above installed, the new PST will be splitted at approximately 45 GB to 48 GB of size.

21. When I enter the Mail ID and Password to export data to Office 365, the system shows an error. What can I do?

The software shows an error because of the following reasons:

• If the credentials (Admin ID and Password) you have entered are incorrect.
• The Admin credentials you have entered do not have required permissions to export data to Office 365.
• There is a connection failure with the internet. In that case, check your network connection and try again. If your internet is working, check your firewall and anti-virus software settings for any blockage.
• There is a server issue because of which the server is unable to create a connection with Office 365. Check if you can connect to Office 365 outside the Stellar Converter for OST software and try again.

22. After saving my converted mailbox in PST format. How to view and access the mailbox items?

After you have saved the converted mailbox in PST format, you can import the PST file in MS Outlook. See Importing PST file in MS Outlook, to know how to import the PST file.

23. Can I convert multiple OST files into PST files?

Yes, you can convert multiple OST files into PST files using Batch Conversion from Home ribbon. This feature is not available in the demo version.