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Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
SharePoint にサインインする - Microsoft サポート
SharePoint にサインインする. SharePointは、次のように、Web ブラウザーを介して接続するブラウザー ベースのアプリです。. [office.com] に移動し、職場または学校アカウントにサインインします。. ウィンドウの左上隅で、 [ すべての アプリ] > > アプリ起動ツール ...
Applies To: SharePoint in Microsoft 365
Create a simple formula in Excel - Microsoft Support
You can create a simple formula to add, subtract, multiply or divide values in your worksheet. Simple formulas always start with an equal sign ( = ), followed by constants that are numeric values and calculation operators such as plus ( + ), minus ( - ), asterisk ( * ), or forward slash ( /) signs. The following is an example of a simple formula.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Share SharePoint files or folders - Microsoft Support
When you share files and folders, you can decide whether to let people edit or just view them. You can see who a SharePoint file is shared with, and stop sharing SharePoint files or folders, or change permissions, at any time. Notes: To share OneDrive files and folders, check out Share OneDrive files and folders.
Applies To: SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, 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, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Sign in to SharePoint - Microsoft Support
Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint.
Applies To: SharePoint in Microsoft 365
Fix Wi-Fi connection issues in Windows - Microsoft Support
Troubleshooting network problems in Windows. If you can’t get email, browse the web, or stream music, chances are you’re not connected to your network and can’t get onto the internet. To fix the problem, here are some things you can try. Windows 11 Windows 10 Windows 8.1 Windows 7.
Look up values with VLOOKUP, INDEX, or MATCH - Microsoft Support
The VLOOKUP and HLOOKUP functions, together with INDEX and MATCH,  are some of the most useful functions in Excel. Note: The Lookup Wizard feature is no longer available in Excel. Here's an example of how to use VLOOKUP. =VLOOKUP (B2,C2:E7,3,TRUE) In this example, B2 is the first argument —an element of data that the function needs to work.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Find your Windows product key - Microsoft Support
Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.
Applies To: Microsoft account dashboard
Change the size of your slides - Microsoft Support
Basic steps. To change the slide size: Select the Design tab of the toolbar ribbon. Select Slide Size near the far right end of the toolbar. Select Standard (4:3 aspect ratio) or Widescreen (16:9) or Custom Slide Size.
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
How to sign in to Hotmail - Microsoft Support
Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.
Applies To: Outlook.com