Office Home & Business, Office Home & Student, and Office Professional can be installed on a single computer. If you try to install and activate these versions of Office on a different computer (owned by you or someone else), or on the same computer after a hardware change, you might see an error message that says you've reached the maximum number of activations.
Note: If you own multiple one-time purchases of Office and are having trouble activating subsequent Office installs, see Change your Office product key.
If you follow the transfer terms in the Software License Terms, you can move Office to a different computer, but you must activate it by phone and then uninstall Office from the original computer.
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If you haven't installed Office on another computer yet, follow the instructions in Install Office on your PC or Mac.
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Follow the steps in Activate by telephone, described above.
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Uninstall Office from the original computer.
Read the Software License Terms to review terms on transferring Office
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Open an Office application, such as Word. (Here's how to find Office on your computer.)
Note: You can also view the Software License Terms online here: Software License Terms.
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Go to File > Account > About program name (like About Excel) > View the Microsoft Software License Terms.
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Terms for transferring ownership are located in these sections:
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For Office 2019 and Office 2016, see section 3. Transfer to a Third Party.
