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Recovery options in Windows - Microsoft Support
Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.
Dark Mode in Outlook - Microsoft Support
In Outlook, the black color theme includes dark mode, which provides a black background (instead of white) for the message window. You can switch to a white background for the message window if you prefer.
Applies To: Outlook for Microsoft 365, Outlook on the web, Outlook.com
Device protection in Windows Security - Microsoft Support
Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.
Windows camera, microphone, and privacy - Microsoft Support
Find out how to change privacy settings for your camera and microphone in Windows.
Add or remove an email alias in Outlook.com - Microsoft Support
Create an alias to give you an additional email address which uses the same inbox, contact list, and account settings as your primary email address in Outlook.com.
Applies To: Outlook.com
Add an app to run automatically at startup in Windows 10
Learn how to add an app to run automatically at startup. Select the Start button and scroll to find the app you want to run at startup.
LOOKUP function - Microsoft Support
How to use the LOOKUP function in Excel to search in a single row or column and find a value from the same position in a second row or column.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Introducing Microsoft Phone Link and Link to Windows
Your Phone is now Microsoft Phone Link! Learn more about our recent name change for our PC and Android mobile apps.
How to install the latest version of DirectX - Microsoft Support
Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.
PowerPoint でのページの向きの横向きと縦向きを変更する
スライド マスターとは 記事; PowerPoint でスライドの追加、配置変更、複製、削除を行う 記事; スライド レイアウトを適用する
Applies To: PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint for the web, PowerPoint 2021, PowerPoint 2021 for Mac, PowerPoint 2019, PowerPoint 2019 for Mac, PowerPoint 2016