How to convert a Microsoft Outlook PST file to OST
Authored by: Support.com Tech Pro Team
1. Introduction
Outlook stores this data as either PST or an OST file, and the two formats are actually quite different.
These are the main differences between a PST and an OST file:
OST files are usable even when your Outlook is in online mode, while PST is a Personal storage table used for locally stored data and files
OST files enable users the option to read, view, reply and compose emails even in offline mode, while PST files don’t
As you can see, having your data stored in an OST format seems to be far more beneficial, and that is why knowing how to convert a PST file into OST could be beneficial.
In this guide, you'll learn How to convert a Microsoft Outlook PST file to OST.
2. How to Convert
Open Microsoft Outlook
Enter File
Click Import and Export
Select Import from another program or file
Click Next
Choose Personal Folder File (.pst)
Click Next
Select the PST file from the system
Click Open
Click Next
Select the folder you want to import
Click Finish
Your PST file will e visible in the left side of the pane
Click the left side and create a new folder
Drag the emails from the PST folder to the newly created data folder
The emails should now be available in OST format for you to use as you wish.