OST File

Category: Misc Files

What is an OST file?

Developed by Microsoft, its Outlook software, an email client and personal information manager use the OST extension. These files can store a plethora of different kinds of data types, but most commonly contain a copy of mailbox information of the user’s Microsoft Exchange, Outlook, or Office 365 accounts. It can also store tasks calendar data, contacts, emails, and other information offline on the user’s device.

How to Open OST Files

Microsoft Outlook

Remo Convert OST to PST

OEMailRecovery.com Outlook Recovery Toolbox

4Team Corporation OST PST Viewer

Aryson OST Recovery

How to Make OST Files

Below are some software programs that can open OST files. Download one to open your file now.