Task: To determine your version of Office in the Windows OS.
Instructions:
Step 1 - Open any Office application, such as Word or Excel, and create a new document.
Step 2 - Choose File in the top left corner, and then select either Account or Help from the list on the left.
Step 3 - If the full version number doesn't appear here, choose About Word. A dialog box opens, showing the full version number and bit version (32-bit or 64-bit) at the top.
Outcome: Under Product Information, your Office product name and, in some cases, the full version number are displayed.
Explanation |
Production Information |
A - Product Name, such as Office 365 ProPlus or Office Home and Student 2016.
B - Full Version Number, which starts with 15 for Office 2013 or 16 for Office 2016.
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Task: To determine your version of Office in the Mac OS.
Instructions:
Step 1 - Open and Office application, such as Word and create a new document.
Step 2 - Go to the Word menu and choose About Word.
Outcome: In the dialog box that opens, the version numbers appears at the top of Office for Mac 2016 or in the top left for Office for Mac 2011.

Further reading:
Microsoft - What Version of Office do I Have.
Need additional help?
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