Open XML Formats and file name extensions - Microsoft Support
Microsoft Office uses the XML-based file formats, such as .docx, .xlsx, and .pptx. These formats and file name extensions apply to Microsoft Word, Microsoft Excel, and Microsoft PowerPoint.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel 2024, PowerPoint 2024, Office 2024, Excel 2021, Word 2021, PowerPoint 2021, Office 2021, Excel 2019, Word 2019, PowerPoint 2019, Office 2019, Excel 2016, Word 2016, PowerPoint 2016, Office 2016
Fix your Outlook email connection by repairing your profile
Having trouble connecting to your email from Outlook on your desktop? Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue.
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Microsoft 365 admin
Screen mirroring and projecting to your PC or wireless display
Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.
Import data from data sources (Power Query) - Microsoft Support
Use Power Query in Excel to import data into Excel from a wide variety of popular data sources, including CSV, XML, JSON, PDF, SharePoint, SQL, and more.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2024, Excel 2021, Excel 2019, Excel 2016, Excel 2013
Contact Us - Microsoft Support
Help for admins of small businesses. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Refresh an external data connection in Excel - Microsoft Support
Change formula recalculation, iteration, or precision in Excel. Block or unblock external content in Office documents. You can connect your Excel workbook to an external data source, such as a SQL Server database, an OLAP cube, or even another Excel workbook.
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2024, Excel 2021, Excel 2019, Excel 2016, SharePoint Server 2013 Enterprise
Look up values with VLOOKUP, INDEX, or MATCH - Microsoft Support
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. For VLOOKUP, this first argument is the value that you want to find. This argument can be a cell reference, or a fixed value such as "smith" or 21,000.
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2024, Excel 2021, Excel 2019, Excel 2016
Download drivers and firmware for Surface - Microsoft Support
Automatically update Windows 10, Windows 11, and Surface drivers and firmware (Recommended) Manually update Surface drivers and firmware (Advanced) You'll find the links for drivers after choosing your Surface model in the dropdown list in this section.
Outlook.com に対してサインインまたはサインアウトする方法 - Microsoft サポート
Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。.
Applies To:
Outlook.com
Import your favorites in Microsoft Edge - Microsoft Support
Open Microsoft Edge and select Settings and more . Select Favorites . In the Favorites window, select More options , and then select Import favorites. In the Import from menu, choose whether you want to import your favorites from Internet Explorer, Google Chrome, or Mozilla Firefox.