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In classic Outlook, select File > Office Account.Â
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Under Office Theme, choose Black, and then select theÂ
To change back, follow the same steps, then select White, Colorful, or Use system setting.Â
Tip: You can also adjust Dark mode through Windows system settings. Go to Colors in the Settings app, then choose your mode—light, dark, or custom.
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For new Outlook​​​​​​​, select View > View settings > General.Â
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On the Appearance tab, under Dark mode, select the option you want.Â
Tip: You can also adjust Dark mode through Windows system settings. Go to Colors in the Settings app, then choose your mode—light, dark, or custom.
