If the product key isn't in the email receipt or if you can't find the email receipt, you may be able to retrieve the product key by using the Order History link for the store you made the purchase from. Check your email receipt including the inbox, spam, and junk mail folders, to look for the email that contains your Office 2016 product key. Sign in your email account that you provided when you purchased Office. If you purchased and downloaded Office 2016 from an online store, generally the store will send you an email that contains the product key.
Way 1: Retrieve lost Office 2016 product key from your packaging or email Way 3: Recover Office 2016 product key with a tool.Way 2: View Office 2016 product key on your Office Account page.Way 1: Retrieve Office 2016 product key from your packaging or email.Here in this post, we will show you three available ways to retrieve or recover lost Office 2016 product key. The best idea is to find a simple and practical way to retrieve the lost Office 2016 product key. What if you've purchased the product key, but now you lost or misplaced it? It is not cost-effective to repurchase the product key. When you install or activate Microsoft Office 2016, you will be prompted to enter a 25-character product key.