I keep getting an email from no-reply@dropbox.com, but it wants me to download something

[Matt 509]

Is anyone else getting this:
Office365. team sent you Office365.htm
"We are DE-activating your Office365‍ Mailbox

A request was sent to shut down your e-mail and this request will be processed shortly.

If this request was made accidentally and you have no knowledge of it download this file now to verify and secure your account.

Dropbox in partnership with Office 365 (c) 2021"
You can download these files now or until 1/28/2021.
Questions? Ask Office365. (personal information removed as per Community Guidelines)
 
[personal information removed as per Community Guidelines]
Here's what they sent you

[Lusil]

Hello there @Matt 509, thanks for reaching out to us. 

Since the message is in regards to your email and it suggests to ask Office365, have you tried getting in touch with them?

Give me a nudge with any updates, cheers!