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Outlook Login Errors - DO NOT NEED TO LOG INTO A MS ACCOUNT

Brand new laptop that I placed into the domain and connect to an on-premise exchange server. Everything worked fine until I left the office now on a different network (outside the LAN) MS Office prompts for a Microsoft account username and password. The version of MS Office was purchased stand-alone with a product key. I don't need nor want to have any MS account associated with this installation. All other devices on my network log into Outlook after the license key was entered and do not have a Microsoft Account connected to them or have a MS account prompt for the password. This has to be something on the computer. Likely a setting where the idiots at MS have to "F" with everything.

Sorry for the attitude, already spent over 2 hours with idiots from MS basically clueless so I'm asking the Experts.
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Jackie Man IT Manager
SILVER EXPERT
Distinguished Expert 2019
What is the version of MS Office?

Retail or OEM or Open Licence?
Edmond HawilaChief Operating Officer
BRONZE EXPERT
Can you provide a screenshot?
Managed IT Services, Cyber Security, Backup
Rebuilding the laptop, Lenovo X1 Carbon, i7, 16G memory SSD drive. When Microsoft gives up it's time to just rebuild the device. Ugh. Thanks guys, feels like a long day accomplishing nothing.

Office Home and Business 2019, stand alone license from Microsoft.com. Bought two laptops and two MS Office licenses. As of now looks like a lemon from Lenovo. Or, hopefully bad image and the rebuild will take care of the issue.