For installation, activation, and downloading updates for Microsoft Office 2021, internet access is required. Once installed and activated, core applications like Word, Excel, and PowerPoint can be used offline. However, some specific features and services, such as Microsoft Office updates and cloud services (e.g., OneDrive), still require an internet connection.
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For activations on more devices, please follow the steps in this guide on each device that you want to activate the program.
We wish you a successful installation. If you still have problems or questions about the installation, please contact our customer service at any time. We will help you as soon as possible.
