INFO: How can I tell whether I am running an Excel 32-bit or 64-bit version?

Reference: Q0056

Article last modified on 16-May-2014


The information in this article applies to:

  • XLL+ for Visual Studio 2013 - 7.0
  • XLL+ for Visual Studio 2012 - 7.0
  • XLL+ for Visual Studio 2010 - 7.0
  • XLL+ for Visual Studio 2008 - 7.0
  • XLL+ for Visual Studio 2005 - 7.0

Question

How can I tell whether I am running an Excel 32-bit or 64-bit version?

Answer

This depends which version of Excel you are running.

Excel 2007 and below

Only 32-bit versions are available.

Excel 2010

Click the File tab, and select the Help item.

On the right-hand-side, the version information for Excel will include either "32-bit" or "64-bit".

Excel 2013

Click the File tab, and select the Account item.

On the right-hand-side, locate the About Excelbutton and click it.

In the About box the version information for Excel will include either "32-bit" or "64-bit".