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Ways to Import OST File to Outlook All Versions

Anuraag Singh | Modified: August 29, 2022|Outlook | 4 Minutes Reading

 Summary: Are you hunting for a solution to Import OST file to Outlook Application. If yes, read this tutorial we have given the best possible ways to accomplished this task. Microsoft says relinking OST file with Outlook profile is not possible.

There have been numerous modifications to how IMAP accounts are managed. But In reality, the earlier versions of Outlook used to make two IMAP files (OST and PST files). In Outlook 2010, one file oversaw messages and the other file put away contacts, notes, schedules, and other related mailbox items. In any case, in the variants from Outlook 2013 and onwards. Only the OST file gets made for one IMAP account. As a matter of course, no PST file gets made that stores messages alongside connections.

OST is a file format used by Outlook; OST is an offline folder file that permits you to get to email messages regardless of whether you are not connected to the internet. In the event that you are looking to import OST file to Outlook, at that point this blog is going to assist you. There is no uncertainty about how significant an OST file is. In the event that you need to import the IMAP OST file to Microsoft Outlook, at that point, there are several approaches to do that.

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Steps to Open OST to Outlook Manually

Since we cannot import OST files directly to Outlook. So, in order to import an OST file, you must have to convert the OST file to a PST file. After conversion, you can import the PST file to Outlook. Now, to do so, follow the below-mentioned steps:

1: Export the IMAP OST file as a new PST file on the computer.

2: Launch the Outlook application and click on the File button.

3: Now, Go to Open and Export >> Import/Export.

4: From the Import and Export wizard, select the import from another program or file and click on the Next button.

5: Here, select the Outlook Data File (.PST) option and then click on the Next button.

6: Now, browse the folder that holds the PST file and press Ok.

7: Finally, click on the Finish button to import OST to Outlook.

The manual technique examined above has numerous confinements. As a matter of first importance, the procedure is monotonous and tedious. It additionally requires a piece of great knowledge to move  OST to Outlook. The manual procedure turns out to belong and tiring.

Verified Way to Import OST into Outlook

Also, so as to make the PST file from an OST file the best method is by using an automated tool such as SysTools OST Converter as it will make your conversion phenomenally simpler. This is a safe and reliable way to Convert OST to PST file format.

This solid, effective, and simple-to-use tool really helps convert IMAP / Exchange / Office 365 OST to Outlook data file format.  After this, the user can easily import the resultant PST file in the Outlook application by using the Import/Export Wizard of Outlook. Moreover, this software supports Outlook 2019, 2016, 2013, and its prior versions.

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Steps to Import OST to Outlook Easily

Step-1: – Launch the tool after installation on your system. After that click on Add File option.

Step-2: – Preview complete data in the software panel. You view data in 8 different modes, After that click on the Export button.

Step-3: – Select the PST radio button and configure the advanced settings as needed. Wait until the conversion process is complete.

Step-4: – Launch Microsoft Outlook and click on the File tab.

Step-5: – Select Open & Export >> Import/Export option.

Step-6: – Choose import from another program or file option and hit Next.

Step-7: – Import file window will appear, select Outlook data file (.pst) and click on Next button.

Step-8: – Browse the PST file generated in step 3 and your task to import OST file in Outlook has been completed.


Given that the ongoing versions of Outlook have made life simpler for us by permitting clients to set IMAP accounts as default data stores on Outlook, they have additionally made numerous bothers for us, for example, backup concerns identifying with non-mail folders and moving OST to Outlook directly. For this, we have to convert the OST file to a PST file. Therefore, in this blog, we have discussed how to import OST files to Outlook.