Repair an Outlook OST Mailbox File
Sometimes when Outlook is setup to use Cached Exchange Mode, the offline file which is created on your local disk can be corrupted from an improper shutdown of Outlook, among other things. When this file contains errors, it will greatly diminish Outlook’s performance and in some cases prevent it from starting completely.
There are two things you can try.
- Repair the offline file with a Microsoft utility called SCANOST.exe. I’ve seen this file reside in a number of different locations, mainly within Program Files. It might be best to search for it with Windows or Google Desktop. SCANPST.exe will also work, though you’ll have to go digging for your outlook.ost, which should be near c:\Documents and Settings\ %profile%\ Local Settings\ Application Data\ Microsoft\ Outlook\ outlook.ost. If your file is significant in size, you’ll save a lot of time with the repair operation by not creating a backup. Because if the repair finishes successfully and Outlook still bombs, you’ll need to;
- Shutdown Outlook completely, including any runaway outlook.exe processes in the task manager. Open Mail in the Control Panel and before you delete your profile completely, write down the server settings! There’s no need to worry about backing up your mail as it’s stored on the Exchange server. (Essentially, you’re deleting that outlook.ost when you drop your mail profile.) Now, start Outlook and it will create a new profile, where you’ll configure the server with the information you wrote down previously.
Outlook will start normally again.
About Benjamin Perove
Benjamin has been associated with computer technology starting from a very early age, and has contributed to the success of many businesses and enterprises since 2001.
He loves to crush pow at Keystone, play acoustic guitar, climb rocks, and ascend mountains on his road bike.
Benjamin is an Avalanche fan and currently resides in Boulder, Colorado.

Comments(6)


Actual topic. Writing is worthy of attention.
For this business i usually use next utility-how to open ost file,also as how as i remember tool has free status,it restore all your contacts, emails, meetings and tasks are typically stored on server,permit to open *.ost files and convert them into *.pst files, that can be opened by any program, compatible with Microsoft Outlook email client,allows opening ost files and to store your personal data independently from Microsoft Exchange Server, it is very important, if you’d like to access your contacts and email archive from outside of your company,can extract the files in *.vcf, *.eml and *.txt formats.
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Great article shared. I just want to add here that in a case when you get your ost file corrupted or it becomes inaccessible anyhow then simply delete the ost file and connect outlook with online mailbox and a new ost file will be created automatically but in case if you can not synchronize it with online mailbox then convert ost to pst file by using third party utility and import the resulting pst file in Outlook using Import/Export option in the File menu of the Outlook.
An eye caching topic for the techiee people with a very useful information on convert ost to pst tool. These tools are really value for money because they recovers all our valuable data and emails.
An eye caching topic for the techie people with a very useful information on convert ost to pst tool. These tools are really value for money because they recovers all our valuable data and emails.
http://www.ostconvertersoftware.com/