.OST File Extension

Verified information
Information about the file OST
  • Outlook Offline Folder Format
  • Misc Files
  • Microsoft

What is the OST file?

The OST file extension can be associated with several types of files. Most often, however, a file with such an extension is associated with the Outlook Offline Folder Format format. OST files are supported by Windows operating systems. The OST file is one of the Misc Files files, just like 6033 of the other files found in our file information database. The creator of Outlook Offline Folder Format is Microsoft.

A program that can open the OST file is e.g. Microsoft Outlook. This software was released by Microsoft Corporation. However, you can also use other applications, e.g. Convert OST to PST, Outlook Recovery Toolbox, Advanced Exchange Recovery, Kernel for Exchange OST Recovery.

Programs, that can open .OST files

Lepide Software Pvt. Ltd.
Kernel for Exchange OST Recovery
Windows
Windows
Microsoft Corporation
Microsoft Outlook
Windows
Windows
Windows

How to open a .OST file?

If you have problems opening the file OST, then in most cases the problem is only the lack of the proper application installed. Select one of the programs from the list and install it on your device. The operating system should automatically associate the OST file format with the installed program. If not, right click on your OST file and select from the menu "Open with" . Then select the installed program and confirm the operation. Now all OST files should automatically open with the selected program.

Similar files