{"id":168,"date":"2017-06-06T09:12:03","date_gmt":"2017-06-06T09:12:03","guid":{"rendered":"https:\/\/www.filerepairtools.com\/tips\/?p=168"},"modified":"2026-03-07T04:08:34","modified_gmt":"2026-03-07T04:08:34","slug":"repair-ost-file-with-scanost-exe-ost-integrity-check-tool","status":"publish","type":"post","link":"https:\/\/filerepairtools.com\/tips\/repair-ost-file-with-scanost-exe-ost-integrity-check-tool\/","title":{"rendered":"Repair OST File With Scanost.exe (OST Integrity Check Tool)"},"content":{"rendered":"

OST commonly known as Offline Storage Table is the copy of the Exchange Server mailbox which is stored locally on the user\u2019s hard drive. OST file is used so that the user can work offline when the connection to the Exchange Server is not available. User is able to compose new emails, read emails or delete emails and the changes made to emails are synced once the connection is established with the Exchange. As the OST file is stored locally the damage to Exchange Server mailbox doesn\u2019t affect OST file hence you have a copy of your mailbox items safe which can be imported later to Exchange Server.<\/p>\n

But sometimes due to various reasons like error during synchronizing or some virus attack the OST file gets corrupted and the data stored is lost. In such situations you don\u2019t need to panic as Microsoft has provided a tool called OST Integrity Check Tool (Scanost.exe) which can repair the damaged OST file. Scanost.exe is a built in tool which comes with MS Outlook and used to diagnose the damaged OST file for possible error and repair the same. Follow he steps to\u00a0Repair OST File<\/a>\u00a0With Scanost.exe<\/p>\n

You need to connect to Exchange account to run Scanost.exe The default location of Scanost.exe is\u00a0Drive:Program Files>Microsoft Office>Officeversion<\/em><\/p>\n

\"use<\/p>\n

Step by Step Process to Run Scanost.exe<\/strong><\/p>\n