Set screen time limits across devices - Microsoft Support
Screen time limits in Microsoft Family Safety are a great way to balance online habits within your family group. You decide when and for how long family members can use their connected Windows, Xbox and mobile devices.
Applies To: Microsoft Family Safety
Common problems with two-step verification for a work or school account ...
Ensure these modes create an alert that is visible on your device. Make sure you have a device signal and Internet connection. Make sure your phone calls and text messages are getting through to your mobile device.
激活 Office - Microsoft 支持
解决激活错误. 如果 Microsoft 365 无法激活,其最后会变为未授权,且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
但如果需要测试多个条件,例如我们假设所有条件都需要为 True 或 False (AND),或只有一个条件需要为 True 或 False (OR),或者如果想要检查某个条件是否不 (NOT) 符合你的条件,这时该怎么做呢?这三个函数均可以单独使用,但它们更常见于与 IF 函数成对使用。
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, Excel Web App, Excel for Windows Phone 10
Microsoft アカウントのメール アドレスまたは電話番号を変更する
Microsoft アカウントに関連付けられているメール アドレスと電話番号は エイリアスと呼ばれ、同じ連絡先、オンライン ストレージ、サブスクリプション、アカウント設定を使用します。
Applies To: Microsoft account dashboard
VLOOKUP、INDEX、または MATCH を使って値を検索する - Microsoft サポート
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
Get help with a digital code or gift card | Xbox Support
All Xbox digital codes are 25 characters long, include both numbers and letters, and are formatted in five blocks of five characters (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx).
Restore deleted files or folders in OneDrive - Microsoft Support
If you accidentally delete a file or folder in OneDrive, you may be able to recover it later from the OneDrive recycle bin.. For info about restoring a SharePoint file or folder, see how to restore items from the SharePoint recycle bin.For info about restoring SharePoint files stored in OneDrive, see Restore a previous version of a file in OneDrive.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
Microsoft Store & billing help
Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.
How to open Registry Editor in Windows 10 - Microsoft Support
There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.