Support – Do I have 32bit or 64bit Excel/Office

How to tell if Excel 2016/2019/Office 365 is 32-bit or 64-bit

First, select “File” from the main menu.

Excel 2016 Bitness

The select “Account” from the left menu. 

Account menu in Excel

Then select “About Excel” from the box on the right.

Office 365 bitness

The text at the top of the dialog will show if Excel is 32 or 64 bit.

Excel bitness

How to tell if Excel 2013 is 32-bit or 64-bit

 First, select “File” from the main menu.

Excel 2013 Bitness

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.

Excel 2013 Account

  At the top of this window after a long sequence of numbers and letters are the words “32-bit” or “64-bit”.

Excel 2013 Bitness

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).

Excel 2010 Bitness