• Home
  • Support
Download Repair OST
Buy Full Version

Requirements: Windows 7/XP/Vista
Outlook Versions: Outlook 2000, 2002, 2003, 2007 and 2010

OST Repair Tool

Fix OST Errors

OST (Offline Storage Table) file is an offline folder in Microsoft Outlook. OST files allow user to work offline and to synchronize the changes with exchange server when they come online. These files act as local copies of exchanger server mail boxes and allow you to work independently when you are not connected to internet. OST files are mainly used when network is limited or unreliable. When working offline OST file allows you to send the messages which are actually stored in offline outbox, you can also receive the messages from other online mailboxes and you can make the changes to the emails and other items. All these changes will be reflected to the mailbox on the exchange server when you connect to the network again and synchronize the offline folder with the server. You can synchronize only a specific folder, group of folders or all the folders as per your need.

However these OST files are prone to corruption under some situations. The OST file corruption circumstances along with error messages are mentioned below:

  • Oversized OST file:
  • The size of the OST file is fixed. The permissible file size limit for Outlook OST file is 2 GB for 2000, 2002, 20 GB for 2003, 2007 and 50GB for Outlook 2010. Once the size limit is reached, OST file reports errors and warning messages. An oversized OST file cannot be accessed and fails to synchronize with MS exchange server. In such cases the following error message is reported:

    Error synchronizing folder
    [8004060C-53F-o-550]
    The OST file has reached its maximum size…….

    If you encounter this message use inbox repair tool scanpst.exe to fix the problem. This tool scans the OST file and fixes the problem if the OST file is not severely corrupted. But if the corruption degree is high then it cannot be resolved with inbox repair tool. In such cases it is necessary to seek the help of third party application to fix OST files.

  • Exchange server errors:
  • Some times you may encounter the error message like

    XXXX- Excahnge.ost” is in use and cannot be accessed. Close any application that is using this file and then try again. You might need to restart your computer

    When you encounter this error you cannot access the contents of OST file since the OST file is corrupted. Main reason for this error message is break down of the connection between exchange server and Outlook email client, exchange server crash.

  • Synchronization error:
  • Error message:

    "Unable to expand the folder. The set of folders could not be opened. Errors could have been detected in the file abc.ost. Quit all mail-enabled applications, and then use the Inbox Repair Tool."

    You can work with OST file offline and gets synchronized with the mail box exchange server when you come online. If the OST file is not synchronized properly due to some problems then it gets corrupted or damaged and you cannot access the OST file. Once the OST file becomes corrupted, synchronization with the exchange server cannot be carried out easily. So in this situation, you can fix OST files that cannot be accessed by using a repairing program to repair OST errors.

Besides these you may get many error messages related to OST file corruption. Whatever may be the reason for OST file corruption you can easily fix corrupt OST file and reuse it. This utility does not change the contents of original OST file. It extracts the contents of OST file and creates the copy of the file and repairs it to make new OST file. It can repair highly encrypted and password protected OST files. It performs through scanning of the OST file to fix emails, calendars, contacts, appointments, tasks, journals, RSS feeds and notes. You can easily retrieve deleted email messages from OST emptied from deleted items folder or deleted from any other Outlook folder. It can fix Outlook OST file 2010, and other lower versions of Outlook like 2007, 2003, 2002, 2000.

Download Repair OST
Buy Full Version

Requirements: Windows 7/XP/Vista
Outlook Versions: Outlook 2000, 2002, 2003, 2007 and 2010

Steps to Repair OST Errors:

Step 1: Download and install the utility on your PC. Launch the utility. A window pops up with three options i.e. "Open PST File", "Find PST File", and "Select Outlook Profile" as shown below in Figure A. Select any one of the options based on your requirement.

Outlook Repair OST 2007 - Main Screen

Figure A - Main Screen

Step 2: Browse and locate the corrupted OST file your computer and click on "Next" button as shown in Figure B.

Outlook Repair OST 2007 - Browse OST File Location

Figure B - Browse OST File location

Download Repair OST
Buy Full Version

Requirements: Windows 7/XP/Vista
Outlook Versions: Outlook 2000, 2002, 2003, 2007 and 2010

Step 3: Select the scanning method and provide the destination location for saving repaired OST file. Now press "Repair" button to start the repair process as shown in Figure C.

Outlook Repair OST 2007 - Select Scanning Method & Destination Folder

Figure C - Select Scanning Method & Destination Folder

Step 4: After the completion of recovery process you can preview recovered emails and other Outlook attributes as shown in Figure D.

Outlook Repair OST 2007 - Preview Outlook Data

Figure D - Preview Outlook Data

Download Repair OST
Buy Full Version

Requirements: Windows 7/XP/Vista
Outlook Versions: Outlook 2000, 2002, 2003, 2007 and 2010

修复 OST | Reparatur OST | Réparer OST | Reparar OST | Repareren OST | Riparazione OST | Reparar OST | 수리 OST | Reparere OST | 修復 OST | تصليح OST