It uses an OST file which is the Outlook data file when you have an Exchange account and want to work offline. At times, users have seen the “ The file username ost is in use and cannot be ...

Opening an OST File in Microsoft Outlook. Microsoft Outlook categorizes Outlook Data Files into two types: PST and OST files. PST files contain data stored in your personal folders, whereas OST ...

Offline storage table (OST) and personal storage table (PST) are two different Outlook data files used to store a copy of mailbox items on local storage. Outlook creates a PST file when you add a POP3 ...

Here is how to save and restore your Microsoft Outlook PST and OST files with Recovery Toolbox for Outlook.

Once you have located the OST file, follow the methods below to open the it. Method 1: Using Free Xst Reader Tool Xst Reader is a free open-source viewer that allows you to open and view OST and PST ...

Just because you cannot import the OST file into Outlook. So below, I discussed the possible ways to convert Outlook OST to PST manually or using a software.

Repair corrupted Outlook .pst and .ost files with Inbox Repair Tool (ScanPST.exe), OST Integrity Check tool (Scanost.exe), OLFix and Fix It.

Simple GUI and Easy to convert OST to Outlook PST file format. Capable of migrating healthily as well as corrupted OST file to PST file format.

Also, Outlook is futile when it comes to converting an inaccessible or orphaned OST file. That's where a specialized OST to PST converter tool, such as Stellar Converter for OST comes into play.

When Outlook has problems opening or items are missing from your inbox, you can use these steps to troubleshoot and fix issues with the data files.