A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Hi Mark,
Please Try Excel in the Safe Mode to determine whether background programs are interfering with Excel.
Please inactive all add-in by following steps and see if you can switch printers:
1.Click the File tab, click Options, and then click the Add-Ins category.
2.In the Manage box, click Excel Add-ins, and then click Go.
3.In the Add-Ins available box, clear the check box next to the add-in that you want to inactivate, and then click OK.
Regards,
Eric