If your PC's date and time settings aren't correct, Office activation might fail. Select your operating system below and follow the steps to update your date and time settings.
- Select your operating system
- Windows 10
- Windows 8 or Windows 8.1
- Windows 7
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Close all Office apps.
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In the bottom right-hand corner of your screen, select the date or time.
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Select Date and time settings.
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Select Set time automatically and, if shown, Set time zone automatically. If you don't have the option to set the time zone automatically, make sure your local time zone is shown in Time zone.
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Restart any Office app.
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Close all Office apps.
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In the bottom right-hand corner of your screen, select the date or time.
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Select Change date and time settings.
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If the date or time is wrong, select Change date and time and correct the date and time settings.
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If the time zone is wrong, select Change time zone and select your local time zone.
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Restart any Office app.
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Close all Office apps.
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In the bottom right-hand corner of your screen, select the date or time.
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Select Change date and time settings.
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If the date or time is wrong, select Change date and time and correct the date and time settings.
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If the time zone is wrong, select Change time zone and select your local time zone.
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Restart any Office app.
Tip: In Windows 7, you can synchronize your computer clock with an Internet time server to keep the computer clock up to date. To do this, select the date or time in the bottom right-hand corner of your screen, and then select Change date and time settings. Select the Internet Time tab, select Change settings, select Synchronize with an Internet time server, and then select Update now.