Microsoft Office is designed in a way that it only allows one installation and once license to exist in a single device. If you own previous releases of Microsoft Office below the 2016 version, it is of utmost importance that you remove them first before installing Office 365 to prevent application errors. Click this link and read from step 6 of both the PC and Mac installation guide on how to activate Office by signing in. If you have already installed Office 365 and you are certain it is a genuine copy, all you need to do is to sign in using the credentials we issued to activate your office. This will eliminate the need of having to download Office 365 anew every time you install or reinstall. You can virtually access all your files from the Cloud and use Microsoft Office on any PC with Office 365!īecause Office 365 is installable on up to 5 PCs or Macs and has a feature that can remove an existing license and reissue it to a new device unlimited number of times, it is best to use our offline installation guide to download the offline installer and then save it on a USB flash drive for future installation on other devices. You can also save your file via your free 5 TB Cloud Drive or locally to the hard drive. Once you clicked the office app icon, Word for example, your web browser will automatically open the app and you can start working on any PC even without installed Microsoft Office. For online use on any PC without the need for installation, just login with your account and directly open the applications on your dashboard. Office 365 is unique as it can be used both online and offline. Do note that licensing is unlimited meaning, you can remove a license from an existing device and reissue it to a new device unlimited number of times so as long as the 5 main device and 5 mini device limit are not used.

Upon installation, your Office apps are activated automatically for life. A mini device could be a Tablet, Android or Iphone. You can also issue an additional 5 license on 5 mini devices. One account credential will allow you to install Office 365 on up to 5 main devices. It is offered as an account containing a username and password that are needed to access the Office 365 online interface. Office 365 Lifetime is the most complete Office ever.

Office 365 troubleshooting guide