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Change your desktop background image - Microsoft Support
In the list next to Personalize your background, select Picture, Solid color, Slideshow, or Windows Spotlight (to see a new image from around the world every day).
Get help with Windows activation errors - Microsoft Support
Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.
Recall an email message that you sent in Outlook
Message recall is available after you select Send and is available only if both you and the recipient have a Microsoft 365 or Microsoft Exchange email account in the same organization.Messages sent to or from a Hotmail, Gmail, or live.com account can't be recalled.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, Outlook on the web, Outlook.com, New Outlook for Windows
Enable virtualization on Windows 11 PCs - Microsoft Support
Virtualization lets your PC emulate a different operating system, like Android™ or Linux. Enabling virtualization gives you access to a larger library of apps to use and install on your PC.
Uninstall Office from a PC - Microsoft Support
Tip: If you installed the Microsoft 365 apps as part of a suite, such as Office Home and Student or Microsoft 365, search for the suite name.For stand-alone apps search by the app name, such as Project or Visio. In most cases you can't uninstall an individual app if it's included in your Microsoft 365 suite.
Applies To: Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Turn Windows Security on or off - Microsoft Support
When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.
Disk cleanup in Windows - Microsoft Support
Learn how to run a disk cleanup in Windows including deleting temporary and system files to free up disk space.
VLOOKUPINDEX MATCH 使 - Microsoft
vlookup、hlookup、その他の index や match などの関数を使い、ユーザーが入力した値に基づいてデータを検索して見つけます。 この記事では、vlookup について簡単に復習してから、その他の情報へのリンクを示します。
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Install a printer in Windows - Microsoft Support
Wait for it to find nearby printers, then choose the one you want to use, and select Add device.If you want to remove the printer later, select it, and then select Remove.
Office 2019Office 2016 Office 2013
Microsoft 365 を初めてインストールする場合は、まずいくつかのセットアップ手順を実行する必要があります。以下の詳細に関するセクションを展開してください。 ただし、Microsoft 365 を再インストールするときに、既にプロダクト キーを取得していてアカウントに Microsoft 365 を関連付けている ...
Applies To: Office 2019, Office 2016, Office 2016 for Mac, Office 2013