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. Se Hvilket Windows-operativsystem kører jeg, hvis du er i tvivl. (For Project 2010 or 2007, follow the steps in Office 2010 or Office 2007. Still using Office Professional 2010 Achieve more with the always up-to-date apps and services in Microsoft 365. Værd at vide før du installerer 64-bit Office: Du skal køre 64-bit Windows. Language pack for Office or Microsoft 365 64-bit or 32-bit version of Office or Microsoft 365. You should also connect to the Internet regularly to keep your version of Office up to date and benefit from automatic upgrades. Dell tells me that Microsoft has gone to a 'no media' policy, and if reinstallation is needed, one downloads the Office trial software and it will activate with the product key, but I can only find 32 bit Office to download for a full install (64 bit Office Profressional Plus is available but only as a 60 day trial, then it must be uninstalled). See how to install Project 20 and Project Pro for Office 365. Internet access is also required to access documents stored on OneDrive, unless you install the OneDrive desktop app. 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.