Windows 10: Microsoft Unusual Account Activity for email accessed in Thunderbird.

I'm running a MS account and accessing email using Thunderbird on W10. Everything up to date.Just recently when I open TBird to access the email I get a simultaneous email from the Microsoft account team saying they have detected unusual activity logging in from a different device or location and asking me to check security. The account password is pretty random upper and lower case letters with numbers and punctuation marks, no proper words.The account is also sync'd to my phone and the phone gets the same email when I log in at the same time, probably as expected. NOTE, I'm so far only g

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Microsoft account unusual sign-in activity

Thank you for the reply. I have answered your questions in bold.

But I still fail to see why any of the questions/measures apply to my situation when Microsoft's "Review recent activity" log shows no "unusual sign-in activity" whatsoever. There are approximately 20 sessions showing on my activity log currently, and everyone
single one of them shows them to be: my computer, my IP address, my location, my operating system, my browser; all at times of the day when I was on my computer...

So unless Microsoft's "Review recent activity" page is inaccurate, where on earth is the "unusual sign-in activity" and why am I getting daily emails alerting me to something, that according to Microsoft's "recent activity" log, does not exist?

Thanks for your continued help/efforts,

SR

03/03/17: Update: and, FTR, I got the email again last night, 8 days in a row now. And once again, there is no "unusual sign-in activity" showing in my "recent activity" whatsoever.

 

Microsoft account unusual sign-in activity

Since you have checked your recent activity and confirmed that there were no unusual activities made, please provide us the following information:

• Do you have a new phone from a different provider, or any new apps were installed that might try to sign in using your account?

• Some apps that sign in on your behalf including email apps and social media apps tied to a Microsoft account.
• Apps that sign in on your behalf will need to ask for permissions to do so when they are installed, and will prompt you for your Microsoft account and password.

• Do you remember having to enter your password when you set up any Windows Phone or Windows apps?

If you can't think of any reason why a sign in would occur
from a different location, we strongly suggest that you reset your password and check for unusual activity on any other accounts that you might have.

If you suspect that your account was compromised, you can do the following:

• If apps, services, or subscriptions were purchased with this account:

• Sign-in to account.microsoft.com
• Click Review your purchases and make sure there were no new transactions that you didn't make or expect.
• Click Billing info and make sure your billing info wasn't changed.

• If you're using OneDrive to store and share files, photos, or other data:

• Sign-in to OneDrive.live.com
• Click Shared on the side menu
• Review the folders and files that are being shared to make sure files are not being shared with people you don't know or that any shares you made weren't deleted.

• If you're using an Outlook or Hotmail email account:

• Sign-in to outlook.com
• Click the gear-shaped Settings icon, then click Options.
• Check the following settings and restore any that might have been lost or changed:
• Check the deleted mail folder and Contacts lists to make sure unusual messages or contacts weren't added, sent, or deleted.

Please post back with the result for further assistance.

 

Thunderbird Mail Disappearing

Ok so this may or may not be the right area for this, but I wasn't really about to find a place for it and it is kind of network related.

So I have a client of mine that worked for a real estate company, and was about to leave the company, and wanted to keep his emails. So I downloaded Thunderbird, and saved all the emails for offline mode, and while I was there verified that without an active internet connection that the emails were still within thunderbird and completely accessible.

He called today, saying that his emails aren't showing up in thunderbird. I remotely connected to his computer to investigate and somehow, the emails were no longer in offline storage, they were gone completely. We were both aware that within 24 hours of him leaving the place of business that his email account was going to be deleted and once deleted he could no longer receive new emails from that email and would only be able to access the ones that we saved offline. I have no clue where the emails went, some of them are listed in the %appdata% roaming folder for thunderbird, but none of them are appearing in thunderbird and I can't open the file for the emails or the .msf folder files in thunderbird to get access to them. When I try to it just attaches it to an email and tries to send it.

I'm at a loss, hopefully you guys have some answer to this problem, whether it be hack the email server to get them back, or some sly way to open .msf folders(all the emails are in %appdata% roaming for thunderbird), but I can't think of anything. Please help and many thanks