Someone is trying to access my account

Michel Freriks 20 Reputatiepunten
2026-04-10T17:19:05.1833333+00:00

Okay, so I have this weird issue that someone (or something) is trying to access my Microsoft account. At least, I think so. Microsoft Authenticator keeps asking me to verify me logging in (of course I keep rejecting). I’ve checked the activity log and no one actually accessed my account either. But the pop up comes every hour or so. I thought changing my password would fix this issue and I’ve generated a “hard password” using chrome. But I’m still getting the pop up. I’ve tried changing the password again, but it didn’t help. How is this possible? Hope someone has an idea!

kind regards Michel

Microsoft 365 en Office | Abonnement, account, facturering | Overige | Windows
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Answer accepted by question author
EmilyS726 272.9K Reputatiepunten Independent Advisor
2026-04-10T17:56:31.12+00:00

Hello.

if someone knows your email address, they can go online and use the forget password option to trigger the verification. This doesn’t mean they know your password, so changing password won’t help.

Go to your Microsoft account online https://account.live.com> Sign in > Your info > Sign in preference. Add an alias - You have two options here:

Create new: this will allow you to use the native domain outlook.com to create a new alias.

Add existing: this will allow you to add a 3rd party email address, such as yahoo, gmail, as long as they are not already associated with another Microsoft account.

Once added, make this new alias your primary alias, do NOT delete the old alias. Then at the bottom, click on "Change sign in preference". On the next page, uncheck the box for the old alias. This means, from now one, the old alias cannot be used to sign into your Microsoft account, but it can be still used to receive emails, etc.

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