

And even with this account attached, emails in my mailbox flow in and out. I can also “un-currupt” my profile by simply removing this account and all is well and have done so several times. This is a brand new and empty mailbox so there is not much to corrupt. I have read a number of articles purporting to fix this problem and they suggest corruption of the OST, profile, or even Outlook going as far as reinstalling. ost and no file is attached in the properties. Question 1 is - what data file? I selected not to use an. What is happening with this account is that when I attempt to send from it, the message just sits in the Outbox and when I click on Send/Receive Progress, I see “Task - Sending reported error (0x8004010F) : “Outlook data file cannot be accessed”. When I attach to my profile, I do so with the Off-line Caching disabled to eliminate a possible problem and for diagnostics.


We have done this for few accounts and they all work except for one. It is basically setup as an AD user who gets an O365 mailbox though not a real person. For compliance reasons, our group needs to share a mailbox and we use it to send messages with the requirement that all the messages go to Sent Items in that mailbox.
