If you haven’t already heard, beginning with Microsoft Office version 2203 (for the Current Channel), set to release in early April 2022, Office will disable all VBA code in files from the Internet.  Here’s the breakdown by Office Update Channel

This applies to all files! Access, Excel, Word, PowerPoint, … that you download via your web browser, receive by e-mail. It doesn’t matter the source, the method used to download them, they will have their macros/VBA code blocked. Not disabled, but outright blocked.  There will be no button to unblock them!  Now, you will need to take a series of extra manual steps to unblock these files.

I was going to publish an article about this, but seeing that Mike Wolfe wrote an excellent one already, I thought I’d refer you to his.

I strongly urge you to take the time to read Mike’s article and get up to speed as to what is coming to a computer near you very shortly as it will impact your day to day.

Office to Disable All VBA Code in Files from the Internet

Beginning in April 2022, users will no longer have the option to manually enable VBA code in Office files downloaded from the internet.

You can also read Microsoft official webpage on the subject:

Macros from the internet are blocked by default in Office - Deploy Office

Provides guidance for admins about how Office blocks macros in files from the internet.

There’s also an extensive post on Microsoft365 Blog:

Helping users stay safe: Blocking internet macros by default in Office

It’s a challenging time in software security; migration to the modern cloud, the largest number of remote workers ever, and a global pandemic impacting staffing and supply chains all contribute to changes in organizations. Unfortunately, these changes also give bad actors opportunities to exploit or…

Update!

Microsoft has reversed course on this, for the time being:

Don’t expect that to be the end of it.  I’m sure we’ll be seeing a return of the MOTW on Internet files in the near future.

I also found the following articles on the subject:

Microsoft rolls back a default macro block in Office

Microsoft has rolled back a block on Office macros sourced from the internet that created a major obstacle to phishing and malware threats delivered via email attachments and links.