Use Excel as your calculator - Microsoft Support
Instead of using a calculator, use Microsoft Excel to do the math! You can enter simple formulas to add, divide, multiply, and subtract two or more numeric values. Or use the AutoSum feature to quickly total a series of values without entering them manually in a formula. After you create a formula, you can copy it into adjacent cells — no need to create the same formula over and over again ...
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2024, Excel 2021, Excel 2019, Excel 2016
Microsoft Support
Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.
2026 年 3 月 31 日 — KB5086672 (OS ビルド 26200.8117 および 26100.8117) 帯域外
Windows 11バージョン 25H2 および 24H2 (KB5086672) の帯域外更新プログラムは累積的であり、以前のセキュリティおよびセキュリティ以外のリリースからの更新プログラムが含まれています。 この更新プログラムには、2026 年 3 月 26 日のセキュリティ以外のプレビュー更新プログラム (KB5079391) で導入さ ...
在 Excel 中使用 AND、OR 和 NOT 函式的 IF - Microsoft 支援服務
在 Excel 中,IF 函數允許你透過測試條件並回傳該條件為真或假,邏輯上比較值與預期值。 =IF (項目為 True,則執行某項目,反之則執行其他項目) 但如果你需要測試多個條件,比如所有條件都必須是真或假, (且) ,或者只有一個條件需要為真或假, (或) ,或者你想檢查某個條件 是否不 符合你的條件 ...
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2024, Excel 2024 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016, Excel Web App, Excel for Windows Phone 10
Camera doesn't work in Windows - Microsoft Support
Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.
Repeat table header on subsequent pages - Microsoft Support
Notes: Repeated table headers are visible only in Print Layout view or when you print the document. If you change a table header on the first page, the header changes on all other pages also. You can only modify the table header on the first page—the header rows on subsequent pages are locked. Although Word automatically repeats table headers on new pages that result from automatic page ...
Applies To:
Word for Microsoft 365, Word 2024, Word 2021, Word 2019, Word 2016, Microsoft Office, Microsoft365.com
Microsoft Publisher will no longer be supported after October 2026
At Microsoft, we are dedicated to providing our customers with the tools they need to achieve what matters, in their work and life. In order to focus on new benefits, we occasionally remove features and products. In October 2026, Microsoft Publisher will reach its end of life. After that time, it will no longer be included in Microsoft 365 and existing on-premises suites will no longer be ...
Applies To:
Publisher for Microsoft 365, Publisher 2021, Publisher 2019, Publisher 2016, Publisher 2013, Publisher 2010, Publisher 2007 Developer, Publisher 2010 Developer, Publisher 2013 Developer
Copy a macro module to another workbook - Microsoft Support
If a workbook contains a Visual Basic for Applications (VBA) macro that you would like to use elsewhere, you can copy the module that contains that macro to another open workbook by using the Visual Basic Editor (VBE). Macros and VBA tools can be found on the Developer tab, which is hidden by default, so the first step is to enable it. For Windows, go to File > Options > Customize Ribbon. For ...
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2024, Excel 2024 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016
April 14, 2026-KB5082411 Cumulative Update for .NET Framework 4.8 for ...
The April 14, 2026 update for Windows 10, version 1607 and Windows Server 2016 includes security and cumulative reliability improvements in .NET Framework 4.8. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections. Summary Security Improvements CVE-2026-32178 - .NET Framework ...
Insert, move, or delete page breaks in a worksheet
Page breaks are dividers that break a worksheet into separate pages for printing. Microsoft Excel inserts automatic page breaks based on the paper size, margin settings, scale options, and the positions of any manual page breaks that you insert. To print a worksheet with the exact number of pages that you want, you can adjust the page breaks in the worksheet before you print it.
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2024, Excel 2021, Excel 2019, Excel 2016