OneNote Gem Add-Ins

2026.3.20 OneNote cannot login today: It doesn't look like you're connected to the Internet. 0x800704cf [Fixed]

Question:

2026.3.20
Why can't I log in to the desktop version of OneNote in Windows? 
Could you please tell me what to do to be able to log in and use it normally? 
I could log in yesterday, but today I can't.
 
It doesn't look like you're connected to the Internet. Please check your connection and try again. 
0x800704cf

It doesn't look like you're connected to the Internet. 0x800704cf

 
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