Stellar OST to PST Converter Review: Pros, Cons & Free Gift

Stellar offer various tools and among them is the Stellar OST to PST Converter. With this tool, you can take an Outlook OST file and produce a PST file instead. Since Outlook doesn't support a feature equivalent to this yet, you might find yourself pondering this converting tool. We're going to shine some light on the solution to help you decide.

1Stellar OST to PST Converter Review: Things You Need to Know

Stellar OST to PST is just as effective when it comes to converting Outlook files. One of the most useful ways that users apply this tool is when they decide to switch from Outlook's offline storage system to Outlook's arguably more reliable PST storage.

1Pros & Cons of Stellar OST to PST Converter

  • Converts all OST and IMAP OST files to an accessible PST file

  • Capable of converting even encrypted OST files

  • Converted files include all of the email data from the original OST

  • Extract emails from an OST before converting

  • Tech version ($149) can convert OST to PST in batch

  • Able to convert OSTs from any version of Outlook (2000 onwards)

  • Doesn't work properly if Microsoft Outlook is not installed on your computer

  • Very expensive to buy considering it is a file converter tool

  • Takes a very long time to convert large OST files to PST

  • Often crashes or stops responding when converting large OST files

You should now have a rough idea of what to expect from using Stellar's OST converting solution and if you want to get a hands-on experience, try out the free version. Although you don't get full access to the program, it'll give you a better understanding of what to expect if you buy the full version.


2Problems It Can Solve

Keeping in mind the features we've detailed above, below are some of the problems that Stellar OST to PST can resolve for you.

  • Inaccessible OST file after importing it on a new email client

  • Inaccessible OST file due to corruption or file damage

  • Missing data on Outlook from the OST being infected with a virus

  • Large OST file that makes it difficult for Outlook to process and display

  • OST file encrypted which prevents you from accessing your own emails

  • Potentially recover accidentally deleted emails by converting

2Best Alternative to Stellar OST to PST Converter

Let's not ignore the fact that there are several flaws when it comes to using Stellar OST to PST Converter, and these might cause you to consider an alternative solution like iMyFone ScanOutlook instead.

Automatically Detect .ost File
Conversion Speed
2.5 GB/hr
Supported Outlook Data Files
.pst & .ost
Corrupted OST/PST Repair
Limitation on size of OST file
No Limits
4 GB
Preview Items


Features of iMyFone ScanOutlook

  • Capable of repairing OST/PST files as well as converting them

  • Converts large OST files to PST format in a lightning-fast speed

  • Also able to convert OST files to EML, MSG, PDF, HTML, and RTF format

  • Converts files even if they are corrupt, and can recover deleted or lost items

  • Supports every version of Outlook, including the latest Outlook 2019

  • Works without Outlook being installed (Stellar doesn't)

Try It FreeComing Soon

These features are all incredibly useful to any Outlook user who wants to repair or convert OST and PST files. If this is the solution you'd prefer then follow these steps:

Step 1. Open iMyFone ScanOutlook on your PC. A menu will pop up on our screen prompting you to select a PST or OST file.

Step 2. Once you've selected the appropriate OST file, check "Quick Repair" and then press the "Repair" button.

start to repair

Step 3. A scan will now be run and once it finishes, all of the OST file's contents will appear. Select all of the data that you want to include in the new PST file.

preview repaired files

Step 4. Click on "Export Selected" and select the "PST" format and a save location. Complete the conversion by pressing "Export".

start to export

Doing this will also give you an opportunity to clear junk files and unwanted emails out of your OST so that Outlook performs better. There are benefits to using iMyFone ScanOutlook over Stellar OST to PST Converter, and improving Outlook's performance is just one of them.

Bonus: Gift for You!

If you decided to use the alternative converter then don't miss out on this discount coupon code when you purchase a copy of iMyFone ScanOutlook!

Coupon Code: 4SN-UBM-XT3

Step 1. Go to iMyFone ScanOutlook Purchase page 

Step 2. Choose one of the license and click on the "Proceed to Checkout" button.


Step 3. Check "Check to enter coupon code" and enter the coupon above.


Step 4. Click "Apply" and complete your order to receive the discount.


After you save some money with this coupon, you can install iMyFone ScanOutlook and convert any OST you need to.


It is possible to convert an OST file to PST format, it's just a question of which tool you use to do so. The Stellar OST to PST Converter has a fair number of features but with consideration to the cons, we'd recommend an alternative like iMyFone ScanOutlook. Make sure you grab the coupon code above to receive your discount!

Try It FreeComing Soon

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By  Simon Marcus , to Outlook Repair

Posted on Aug 22, 2019  ( Updated: Dec 16, 2019 )

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