To reactivate your Office applications, reconnect to the Internet. If you don’t connect to the Internet at least every 31 days, your applications will go into reduced functionality mode, which means that you can view or print your documents but cannot edit the documents or create new ones. You should also connect to the Internet regularly to keep your version of Office up to date and benefit from automatic upgrades. The only exceptions are Microsoft Office. They are not compatible with Apple devices. Can I use the software on a Mac Our products are for Windows PCs only. Office 365 is a cloud based subscription from Microsoft with a monthly or annual fee. Internet access is also required to access documents stored on OneDrive, unless you install the OneDrive desktop app. Office 2016 and Office 2019 suites are available as a one-time purchase for use on a single or 5 PCs. For Microsoft 365 plans, Internet access is also needed to manage your subscription account, for example to install Office on other PCs or to change billing options. However, Internet access is required to install and activate all the latest releases of Office suites and all Microsoft 365 subscription plans. You don’t need to be connected to the Internet to use Office applications, such as Word, Excel, and PowerPoint, because the applications are fully installed on your computer.
