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The abrupt closure of your MS outlook account owing to power failure may have corrupted the file.The automatic synchronization between the OST file and the exchange server may have been abrupt, creating OST file error.The Ost files get stored on a faulty section of the hard drive, making it inaccessible and corrupt.You have not configured your email account, according to Outlook,.Well, there are many reasons for such technical disability. It would be a precarious situation, right? Not only you, but many people from all walks of life and using MS Outlook, frequently complain that Microsoft Outlook 2016 won’t open OST files on their system.
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You see an error message that “OST file cannot be opened”. Now the next time, you are unable to open the file on your outlook 2016. You would be relaxed that all such information is stored as a cached copy in OST file. Think of a situation where you had written a mail of all the business proceedings and attached vital data to the mail and suddenly your internet connection gets disrupted. OUTLOOK 2016 WON’T OPEN OST File – A Frequent Issue
#Cannot open outlook 2016 Offline#
Generally, the IMAP accounts, exchange accounts, Office 365 accounts use this offline outlook data file (.ost) to store a cache of the data from your Microsoft outlook. Once the internet connection is re-established, or restoration of access to mail server happens, the messages and the data items get automatically synced. So, when your internet connection gets disrupted, you can still access the local copy of emails and data in your outlook and work on them. A clone or replica of all your mail messages and data in the exchange server mailbox is saved on your local computer automatically, as an OST file. The offline folder allows users to work on their messages and mail the data offline, even when access or connection to the mail server is not there.
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OST is an offline file folder present in Microsoft Outlook.
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