Microsoft has blocked macros from running because the source of this is untrusted

 After Microsoft updated and you now noticed you are now getting a message about "Microsoft has blocked macros from running because the source of this is untrusted"  please try the following.

If possible save the excel workbook to your desk.

1. Save the file to a local hard drive, rather on network share or OneDrive.
2. Open Windows File Explorer and go to the folder where you saved the file, recommended "desktop."
3. Locate that file you just save, Right-Click on the file and go to "Properties"
4. At the bottom of the General tab, you should see a section for Security. Select the Unblock checkbox and select OK.

Or Try these steps to add network drive as "safe" place

1. On the Ribbon locate "File" and select "Options"
2. New Box appear with Title, Excel Options.
• In Excel Options, Select Trust Center
• Under Trust Center, select "Trust Center Settings..."
3. New Box appear with Title, Trust Center.
• Left Hand side, select Trusted Locations
• Few additional options we can chose
• Check the box call, "Allow Trusted Locations on my Network..."
• Than Click on Add new location button.
4. New Box appear with Title, Microsoft Office Trusted location.
• on first line put in your Home Drive Letter? like H or M or K or J.
• Check the Box title, Subfolders of this location are also trusted.
• press OK and OK to back all the way out.
5. Exit Excel and try again.

Press Ok and Ok all the way out and try your Excel workbook again.