If your Office product key doesn’t work, or has stopped working, you should contact the seller and request a refund. If you bought a product key separate from the software, it’s very possible the product key was stolen or otherwise fraudulently obtained, and subsequently blocked for use. Unfortunately, there are many dishonest sellers who There is no longer a deactivate option, when you get a new PC, you simply go to that page on Office.com or the Services and Subscriptions page on your Microsoft Account, and install Office on the new PC, the old PC will deactivate automatically once Office is installed on the new PC . . . If you encounter any activation errors on the new PC For just a small amount, you will get a full range of office tasks and needs. At a very low price, you get an absolutely original product key, which is no less important - unique and outstanding in one hand. With the original software, all the features of the program, timely updates and all new features will open up for you! まずは、PCにインストールされている Officeのプロダクトキーを管理しているアカウント（ユーザーID）を確認 します。. エクセル、ワード、パワーポイントのいずれかを起動し、『ファイル』タブ→『アカウント』をクリック。. マウスではなくアクセスキー The same product key works for many Office 2019 installs within the company. At some stage the organization or Microsoft realizes the product key has ‘leaked’. I guess that applies to the Microsoft Office LTSC Professional Plus 2021 product that they're selling. MS Office Professional Plus 2019 License for Windows (1 User, Lifetime Validity) Email delivery in 2 Hours- no CD. 5.0 out of 5 stars 3 ( Activation Key Card) 3n3Q.

ms office 2019 pro product key