Outlook Data File – The file C:\Users\<username>\AppData\Local\Microsoft\<username>\username.ost is in use and cannot be accessed. Close any application that is using this file, and then try again.

Outlook data file cannot be accessed, Error 0x8004010F can be caused due to profile corruption, PST corruption, PST file corruption, relocation of the PST file, etc.

Your notebook powers on perfectly and you open up Outlook only to see “Outlook data file cannot be accessed”. The colour drains from your face and the words “oh no” escape your lips in a ...

The solution for handling the common MS Outlook errors which occur during the send receive operation of emails. After doing a lot of brainstorming I pointed out that what a PST file is and why ...

A File Cannot Be Opened in Microsoft Office Outlook. If you cannot open Microsoft Outlook for some reason, it can make communicating with employees, clients or suppliers rather difficult in some ...

If the Outlook Express data file cannot be accessed, whether you can still get at your emails depends upon how you had Outlook Express configured.

There are many tools available online, you can search in google. These tools easily repair your corrupt ost file & successfully convert it to accessible pst file.