At the top, click on “File.”

Then click on “Options.”

Look for and then click on “Trust Center.”

A box that says Microsoft Trust Center will pop up.

In the lower right-hand corner of that box, you will need to click on “Trust Center Settings.”

You will then select “Trusted Locations.”

You will see “Add new location”…click on that near the bottom.

This box will pop up.

 Browse out to c:APGReporting

Type the pathname of where the spreadsheets are, the default is c:APGReporting

Then you’ll click “OK” and then click “OK” a

Close and reopen the spreadsheet. 

The error with the security warning will be gone.