Office 2011 14.7.1 Combo update for German, Japanese, and Polish The 14.7.2 installer for Italian and Norwegian. Office 2011 14.7.1 Installer for Italian and Norwegian Office 2011 Volume License packages (build 14.4.3) that were downloaded from the Microsoft Volume Licensing Service Center (VLSC) prior to Ma(all languages) When you see this dialog box, click Cancel.ĭownload the package for the newer version, using the links in the following table. This error does not impact your license or subscription. You'll simply need to download a package for a newer version, which uses an updated certificate, to use for your installation. This occurs because a few of our install and update packages are signed with an older certificate. You might see an 'invalid certificate' error when installing Office for Mac 2011 or Lync for Mac 2011. Under App passwords, click Create a new app password. To fix this, get and enter a unique app password to sign in. If you have two-step verification turned on, you might get an invalid product key error because Office doesn’t prompt you for the extra security code during activation. Get an app password for two-step verification If you can, open an application like Word and click Help > Check for Product updates.

In many cases, updating Office will fix the problem.

In the Get Started wizard, click Sign in to an existing Microsoft 365 subscription, and sign in with the email address that’s associated with Office. Open an Office application and click Activate Now. Instead, sign in with the email address that’s associated with Office. If you have a Microsoft 365 subscription, you can’t use your product key to activate Mac 2011.

Office 2011 for mac activation problems