Repair Damaged Outlook OST File

Is your Outlook OST file got damaged? And are you looking for repairing damaged OST file? If YES, then now no need to worry much as you have arrived at the right place in order to repair damaged outlook OST file. Just go through this brief article and get a perfect solution which helps you to know how to repair a damaged OST file in a short span of time.


OST (Off-line Storage Table) file is a Microsoft Outlook data file used for storing data like in-box, sent-items and many others. MS Outlook has provided two types of data files for their users, one is OST and another is PST. OST data file is not selected as default when a user access the MS Outlook for the first time instead a user has to manually configure it if he wishes to use OST file. As the name of OST itself says that it is off-line storage table, hence this file is used when mail Server access is not possible. So by the use of OST file a user can have access to his mails even in off-line mode. OST file gets updated with attributes such as unread mails, calendar, tasks and many others whenever a network connection is available. So the main purpose of OST file is that a user is provided access to his mail even when the internet is not available to him.

Reasons for OST file getting damaged:

  • When the Exchange Database gets damaged.
  • When the name of Server or email mailbox is changed.
  • When the local copy of MS OST file gets damaged.
  • Improper termination of Outlook or sudden shut down happens when OST file is in use.
  • When the size of OST file gets exceeded to its maximum limit.

Sometimes you may even experience an error message when synchronization of OST file is incomplete; hence this incomplete synchronization will lead to OST file getting damaged. So in such situation Outlooks has provided with an inbuilt integrity check tool called as ScanOST.exe which can be used to diagnose and troubleshoot the errors. This tool also performs a basic restoration and scanning of your OST file. It scans the whole data and compares both the Exchange Server mailbox and OST file, and while this comparison if there is any mismatch then it will be fixed. 

The ScanOST.exe tool cannot be used when you OST file get damaged as it cannot handle major issues related to OST file. So when your Outlook OST file get damaged and you worry about how to repair a damaged OST file then no need to worry much as you can make use of the Convert OST to PST software to import OST file in Outlook 2016 and easily repair your OST file without any errors in OST file. This effective tool which can be used for damaged OST file repair can get back all damaged attributes like calendars, contacts, notes etc. This efficient tool facilitates you to convert OST to PST file in order to extract data from damaged OST file. This powerful tool can easily repair damaged Outlook OST file which is password-protected and highly encrypted. A user who is new to this repair tool does not have to worry much about how to repair a damaged OST file as this tool has provided the graphical user interface which makes the process of damaged OST file repair very easy. The damaged OST file repair can be completed in less span of time. It is the most recommended software which can be used to repair damaged OST file of different Outlook versions such as 2000, 2003, 2007, 2010 etc. This advanced tool can efficiently repair damaged outlook OST file and as well convert OST to PST on Windows as well as on Mac operating systems.


Follow the steps to repair damaged Outlook OST file:

1: Download & install the software. Launch the software and select the damaged OST file using one of the options from the three provided in the Main window, as shown below in Fig 1.

Repair Damaged Outlook OST File - Main Window

Fig 1: Main Window

Step 2: Select scanning method as a Normal scan (recommended) or Smart scan and the destination folder for new repaired healthy OST file.

Repair Damaged Outlook OST File - Select Scanning Technique

Fig 2: Select Scanning Technique

Step 3: Preview the repaired result in the style browser after scanning. If you are completely satisfied with repaired results, you can purchase the software.

Repair Damaged Outlook OST File - Regained Outlook Data

Figure 3: Repaired OST File