“My Outlook OST is displaying an error message whenever I try to access data from it. The error message reads like this “Outlook cannot open OST file because the file xxx.ost is not an offline folder file”. Can anyone tell me what this error message indicates? I have tried fixing the error using Inbox Repair tool, but this utility failed to mend OST file error. Is there any alternate way to get rid of error message and make my OST file work fine?”
The above given scenario is one of the example that many Outlook users often face. If you have got same error and cannot open your Offline folder (.ost) file then it clearly shows that your OST file is corrupted. Therefore, to fix this issue you should first convert OST file to PST file using the manual way provided by Microsoft. Go according to the steps detailed below to convert OST file to PST:
Soon after using this procedure, OST file will be successfully converted to PST file and you can view emails, calendars, tasks, notes and other attributes. But this method sometimes fails to convert when the size of OST file is very big or if OST file is severely corrupted. Under such circumstances, you should make use of reliable OST to PST Convertor software to resolve Outlook cannot open OST file error and at the same time convert OST file to PST file.
OST to PST Convertor software
Yodot OST to PST Converter tool is best option in case you want to convert inaccessible OST to PST file in efficient way. This software can help you to resolve ‘Outlook cannot open OST file’ error and assists you in converting corrupt OST file to a healthy PST file. The conversion procedure is very simple and you can recover attributes like emails, contacts, calendar, tasks and other attributes from OST file after converting OST file to PST file. This utility supports the conversion of OST file created on Microsoft Exchange servers 5.0, 5.5, 2000, 2003, 2007, and 2010 on Windows operating systems. To get detailed information about the features and conversion process just download its demo version and check its efficiency.
Procedure to convert OST file to PST to fix outlook cannot open OST file error:
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