Convert OST to PST for “*.ost is not an offline folder file” error

What to do when you come across “*.ost is not an offline folder file”

While opening MS Outlook users may be interrupted with error that does not allow them to perform any activity with the email client. This situation can be highly troublesome as it restrict sending/receiving, mails, modifying address book etc. This can be due to Exchange Server damage which makes OST files access impossible and remain on user system holding several emails, journals, cleaner etc.

MS Outlook is a highly utilized email client; MS Exchange server combines all the user mailbox data in to one database file named EDB, abbreviated as Exchange Database file. It has separated profiles and user mailboxes for every user and can be accessed through MS Outlook with ease.

Understanding the error and its repair

This problem can be resolved through OST repair; it implies retrieving data from OST files. User can also convert OST to PST through third party application. Considering a real time situation, as the user tries to open MS Outlook or while synchronizing MS Exchange Server following error message can occur:

Cannot open default email folders. The file *.ost is not an offline folder file.”

For the above error message *.OST is the name of offline storage file which is created by MS Outlook to comply with Exchange Server Mailbox, this might be caused due to-

  • Corrupted OST file and MS Outlook might not be able to identify the file indicating the error.
  • If OST files relating to Exchange Server mailbox it become inaccessible with MS Outlook, synchronization may have caused this error.

Such situation can be resolved by stopping the OST corruption. If the OST files are inaccessible because of damage or corruption best method is converting OST to PST.

Making use of OST to PST software

To ease the repair process you can utilize OST to PST software. The third party OST repair tool deliver result with all the ease; it converts OST files to PST files so that user can have flawless access to MS Outlook data.

Comments 2 comments

zlatan24 profile image

zlatan24 4 years ago

wonderful


MarryWilson 4 years ago

To access the inaccessible OST file, the offline file is converted to new working PST file so that data can be used. Lepide Exchange Manager is such a converter tool that efficiently converts inaccessible OST file to PST after recovering the data from OST.

http://hubpages.com/technology/Administer-your-Exc...

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