OST (Offline Storage Table) files are Microsoft Outlook data files that store an offline copy of your mailbox data, such as emails, contacts, messages, notes, etc. While you can access and view OST ...

Personal Storage Table or PST is a popular and most commonly used mailbox data file format for storing, backing up, and migrating mail items to and from Microsoft Outlook. However, Outlook data ...

Learn how to automatically backup Microsoft Outlook PST data files using OutlookBackupAddin. These files store all emails & other data which you can use again.

What data file types does Outlook support? While working with Outlook, you will encounter two data file types: OST and PST. OST (Offline Storage Table) file types allow you to work offline.

When Outlook continually looks for data file errors, that's because Outlook believes there is a problem. However, to repair any errors, the data file -- more specifically the Outlook .pst file -- ...

Actually, the Outlook data file has a certain data limit to store the data items, for example, Outlook 2013, 2016 and 2019 PST file has 50 GB size.

What data file types does Outlook support? While working with Outlook, you will encounter two data file types: OST and PST. OST (Offline Storage Table) file types allow you to work offline.

The OST (Microsoft Exchange offline) file that is named as the email address you use with your Outlook account is the file containing contacts and other Outlook data.