Category Archives: OST Recovery

Manual Guide to Repair Corrupt OST File Through Free Integrated Scanost.exe Tool

Microsoft Outlook is one of the most widely used email clients as it comes with a lot of exciting features. MS Outlook stores the email files and information in Personal Storage Table (PST) and Offline Storage Table (OST) files. As the name suggests, Offline Storage Table is the format which enables users to work in offline mode when Outlook is not connected to Exchange Server.

All the offline data is stored and created in OST format when working without connection with Exchange Server. The best part of Outlook is that it enables users to modify the content offline and save changes in OST file, which is synced once it is connected to the server.

Sometimes, users cannot connect to Exchange server when using Outlook due to various errors that are unidentified and unknown. There are several reasons responsible for this failure, such as hard drive failure, unexpected system shutdown, virus attack etc. which damage OST file. Once this file is corrupt or damaged, you cannot access it and sync with Exchange server properly. In that case, you should use scanost.exe which is an Integrity Check Tool that comes with Outlook for free.

 

By default, this tool is located at C:\Program Files\Microsoft Office\Office_version. It performs integrity check of OST file. The best thing is that this tool doesn’t alter the hierarchy of mailbox. All it does is scanning the corrupt OST mailbox and attempts to fix the synchronization problems in OST file. It recreates the header of data file and resets the structure of the file to repair offline data. Make sure Outlook is connected to the server to start this tool. Here’s how to use this tool –

  • Close MS Outlook if it is open.
  • Browse scanost.exe at C:\Program Files\Microsoft Office\Office_version
  • Open scanost.exe
  • It will prompt you to choose a profile as per your setting in MS Outlook. Choose a profile which consists of corrupt file.
  • It has two options “Work Offline” and “Connect”. You have to click “Connect”.
  • Choose the “Repair Error” checkbox to repair the error with this tool. It will create a scan log without repairing it if you don’t select this box.
  • Click “Start Scan”
  • Open MS Outlook to view the scan log. In “Deleted Items” folder, click “OST Integrity check”.

 

What If Scanost.exe Doesn’t Work?

The Deleted Items folder also contains the items that cannot be repaired by this tool. If the error cannot be fixed with this tool, it is better to download OST to PST Converter software. It is a simple and easy to use OST to PST Converter that comes with exciting features along with OST to PST conversion. With few clicks, you can convert corrupt OST files into PST files and other formats like Office 365, MSG, EML, PDF, and HTML. You may download free trial version which allows conversion of 20 items in each folder from OST to PST files. You can easily convert all the mailbox items, such as emails, contacts etc. without any error.

FREE DOWNLOAD :  

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Step by Step Guide to Convert OST File to PST File Manually

OST file is automatically created when we connected MS Outlook client to MS Exchange Server. OST (.offline storage table) files allow users to work in offline mode, that is, when there is less or no network connectivity available. And when network connection gets connected, OST files get synchronized with the user mailbox on MS Exchange Server. To migrate OST file out of MS Exchange Server environment, manual conversion from OST to PST has to be performed such that all the mail items including Inbox, Outbox, Sent Items, Contacts, Calendar Entries, Tasks, Journals, Posts, Appointments, Drafts, Meeting Requests, and Notes, etc. can be accessed without connecting to MS Exchange Server.

Need for performing manual OST to PST conversion occur in case user’s account on MS Exchange Server got accidentally deleted or corrupted, MS Exchange Server downtime, Server crash, database corruption and more etc.

Note: Be assure before performing manual OST to PST conversion process, MS Outlook must be installed on the local computer system connected to MS Exchange Server.

Now follow the steps to Convert OST to PST file manually (I assume we are using MS Office 2003 Professional Edition):

  1. Open MS Outlook
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  2. Click the File menu.
  3. Select the “Import and Export” wizard or press ‘t’.
  4. From the list, click the “Export to a file” option and then click Next button.
  5. Select Personal File Folder (.pst) and then click Next button.
  6. Selected items to be exported or Click on parent root and check the Include sub-folders option.
  7. Browse and select the target folder for saving the email items.
  8. Click the Finish button.

We perform OST to PST Conversion task manually; it is only be possible when user is connected to MS Exchange Server. And when the user gets disconnected from MS Exchange Server or in case MS Exchange Server got damaged, then you need a third party application to perform OST to PST conversion process.

If the above process did not help you or you are unable to perform such operation, In that case I would recommend user to try the Free Trial version of OST to PST Converter software. In Free version you can repair ost file if it is corrupted and convert ost to pst emails. And recovered or Converted emails you can see in preview items but you cannot saved it. If you are completely satisfied with software capability, you need to purchase the software license.

You can download this software from here:  images

 

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Steps to Repair Corrupt OST File Manually

From time to time, you may get error messages when synchronizing your Offline Folder file (.ost) in Microsoft Office Outlook with your mailbox on a server running Exchange. You may also notice that some items are missing from your .ost file or from your mailbox after you synchronize your .ost file and your mailbox. When this occurs, you should use the OST Integrity Check tool (Scanost.exe) to check your .ost file.

The OST Integrity Check tool runs only on .ost files and can be used to diagnose and repair synchronization issues. The tool scans both your .ost file and your mailbox on the server running Exchange, compares the items and folders in each, and attempts to reconcile synchronization differences between them. The OST Integrity Check tool does not change your mailbox on the server running Exchange. The tool records any differences in a scan log so that you can see the discrepancies that it found and resolved. The scan log also identifies any situations that the tool could not correct which you will need to fix manually. The scan log can be found in your Deleted Items folder.

To use the OST Integrity Check tool, you must connect to your Exchange account so that the tool can scan your mailbox folders and items. If you previously set up Outlook to start offline automatically, the OST Integrity Check tool will not be able to access your mailbox on the server running Exchange. Therefore, before you run the tool, you need to change your Outlook startup settings temporarily.

If you have problems opening your .ost file, you can use the Inbox Repair tool (Scanpst.exe) to diagnose and repair errors in your .ost file. The Inbox Repair tool (Scanpst.exe) can be used on your .ost file as well as Personal Folders file (.pst). The tool scans the .ost or .pst file, and makes sure that the file structure is intact. It does not interact with your Inbox on the server running Exchange server in any way.

The OST Integrity Check tool (Scanost.exe) is installed when you install Outlook. It is located at:

drive:\Program Files\Microsoft Office\OFFICE12.

Repair errors by using Scanost.exe

  1. Exit Outlook if it is running.
  2. Double-click Scanost.exe, located at drive:\Program Files\Microsoft Office\OFFICE12.
  3. If you have set up Outlook to prompt for a profile, the tool will also prompt you for one. In the Profile Name list, click the profile that contains the .ost file that you want to check.

If you are prompted to Connect or Work Offline, click Connect.

  1. Select the options that you want.

To have the tool automatically resolve discrepancies that it finds during the scan, select the Repair Errors check box. If this check box is cleared, the tool will log the problems but not make the necessary corrections.

  1. Click Begin Scan.

 Note   To view the scan log, start Outlook, and then open the Deleted Items folder. The tool does not scan the Deleted Items folder. Any problems will be noted in a message with the Subject “OST Integrity Check.”

 

If you want to skip all this process and perform such task easy, accurately and fast then go for a third party application. This application surely help you. You can download this application from here:   images

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