Where to find product key for Microsoft Office if you’ve forgotten or lost it? Here we explore 8 available ways after analyzing extensive references. This activation key is so long that most of us can’t remember correctly, right? Sometimes, however, we have to reuse the Office product key under many circumstances.įor example, if you want to install Office on a new computer or reinstall it after an upgrade, the product key is required to reactivate it for use. Microsoft Office product key is a 25-character code used to verify and activate the Office you have purchased. Find Microsoft Office Product Key via Microsoft Support Find Microsoft Office Product Key via a Product Key Finder Find Microsoft Office Product Key on the Package/Certificate Find Microsoft Office Product Key via Registry Editor Find Microsoft Office Product Key via Microsoft Account Find Microsoft Office Product Key via Command Prompt/PowerShell Find Microsoft Office Product Key via the Older History Link Find Microsoft Office Product Key via Email Receipt It provides 8 feasible ways to find product key for Microsoft Office. If you’re trying to figure it out, this post on MiniTool is worth reading. A great many people don’t how to find Microsoft Office product key on Windows 11/10.