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How to Find Your Office Product Key after Installation on Computer

After you sign in, select your name in the upper right-hand corner, and then select Order History. Locate the Office one-time purchase or individual Office app. Step 3: Go to “HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\.
How to Find Product Key for Microsoft Office Already Installed
After you sign in, select your name in the upper right-hand corner, and then select Order History. Locate the Office one-time purchase or individual Office app. Step 3: Go to “HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\.