ApproveIt tab missing in Word/Excel 2010 or 2013 (and 64-bit Office)
windows
Symptoms
ApproveIt ribbon not visible in newer Office, or it appears in 32-bit Office but not 64-bit Office.
Likely cause
ApproveIt only ships a 32-bit COM add-in; 64-bit Office cannot load it. Office 2013 also has its own native signing surface.
Fix
1. Confirm Office is 32-bit (File > Account > About Word).
2. If Office is 64-bit, either reinstall Office in 32-bit edition or use Office 2013's native signing (Insert > Signature Line) instead of ApproveIt.
3. In 32-bit Office, re-enable the add-in via File > Options > Add-Ins > COM Add-ins > Go > tick ApproveIt.
Sourced from militarycac.com. Rewritten for clarity.
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