ドロップダウン リストの項目を追加または削除する - Microsoft サポート
Excel の表に基づいたドロップダウン リストを編集する. ソースの一覧を Excel の表として設定する場合、一覧からアイテムを追加または削除するだけで、自動的に関連するドロップダウンが更新されます。. 項目を追加する場合は、一覧の最後に移動して、新しい項目を入力します。
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
I can't sign in to my Microsoft account - Microsoft Support
If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.
Applies To: Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Microsoft 365 for home, Outlook.com, GroupMe, Microsoft account dashboard, Microsoft Teams, Microsoft Teams personal, Microsoft To Do, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows, Outlook for Android, Outlook for iOS
Microsoft 365 和 Office 2021 之间的区别是什么?
一次性购买 (示例:Office 小型企业版 2021). Microsoft 365 订阅 (示例: Microsoft 365 家庭版 或Microsoft 365 个人版) 成本. 支付一次性成本。 每月支付少额费用,或支付年费以节约成本。
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office.com
Upgrade to Windows 11: FAQ - Microsoft Support
An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.
Manage devices used with your Microsoft account
When you want to download an app or game to another device, you'll be able to find the device using its new name. Rename a PC. Open your Windows Settings and select Rename this PC. Open Settings. Enter a new name and select Next. You may be asked to sign in. Select Restart now or Restart later.
Applies To: Microsoft account dashboard
ブラウザーのホーム ページを変更する - Microsoft サポート
[全般] タブの [ホーム ページ] で、ホーム ページに設定するサイトの url を入力します。 複数の url を追加できます。[現在のページを使用] を選択すると現在表示しているサイトを追加できます。 複数の url を追加する場合は、各 url を改行で区切ります。
How to use multiple monitors in Windows - Microsoft Support
Tip: If you're using a wireless display adapter, connect to an HDMI port on newer TVs, then wirelessly connect your PC to it.After connecting your wireless display adapter to your TV, go to your Windows 11 PC, press Windows logo key + K to open Cast, then select your wireless display adapter.
Find your Wi-Fi network password in Windows - Microsoft Support
On another Windows PC or other device, connect to Wi-Fi as you normally would, and enter your Wi-Fi password when prompted. For more info about connecting to Wi-Fi, see Connect to a Wi-Fi network in Windows.
Find your documents in Windows - Microsoft Support
Find your files in Windows 11 using one of these methods. Search from the taskbar: Type the name of a document (or a keyword from it) into the search box on the taskbar.You'll see results for documents across your PC and OneDrive.
Office Help & Training
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