Yes, Microsoft Office 2021 is compatible with previous versions and can open, edit, and save documents created with older versions of Microsoft Office. However, new features in Microsoft Office 2021 may not be available in older versions.
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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.
