Note: Excel 2007 and earlier are all 32-bit.
Instructions for Excel 2016/2019/Office 465
Instructions for Excel 2013
Instructions for Excel 201
How to tell if Excel 2016/2019/Office 365 is 32-bit or 64-bit
First, select “File” from the main menu.
The select “Account” from the left menu.
Then select “About Excel” from the box on the right.
The text at the top of the dialog will show if Excel is 32 or 64 bit.
How to tell if Excel 2013 is 32-bit or 64-bit
First, select “File” from the main menu.
Then select “Account” from the menu on the left. On the right side of the screen is a small box with the words “About”. Despite lacking any visual indication that this is a button, it actually is one. Click on this button.
At the top of this window after a long sequence of numbers and letters are the words “32-bit” or “64-bit”.
How to tell if Excel 2010 is 32-bit or 64-bit
Select “File” then “Help”. On the right side look for the words “About Microsoft Excel”. Just below you will see the version and either (32-bit) or (64-bit).
