The August 27, 2026 update for Windows 11, version 25H2 and Microsoft server operating system 24H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. 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 ...

This cumulative update for Windows Server 2022 (KB5087545), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For information ...

Under Identify verification apps, select Set up identity verification app. Select Get it now. Under Enter your phone number and we’ll send you a download link, enter your phone number. Download Microsoft Authenticator and follow the steps to install it. Note the system-generated app password. Enter this password on your XBOX 360 console when ...

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注意 若要应用此安全更新，必须在计算机上安装 Excel 2016 发行版。

Windows Server 2019 Windows 10, version 1809 Applies to: Windows Server 2019 This out-of-band update includes fixes and quality improvements that are part of the following update: September 8, 2026—KB5122876 (OS Build 17763.9245) The following is a summary of the issues that this out-of-band update addresses when you install this update. The bold text within the brackets indicates the item ...

Note To apply this security update, you must have the release version of Excel 2016 installed on the computer.

Gridlines are the faint lines that appear around cells to distinguish them on the worksheet. By default, gridlines are displayed in worksheets using a color that is assigned by Excel. Gridlines are always applied to the whole worksheet or workbook, and can't be applied to specific cells or ranges.

If you want page numbers shown on pages when you print a Microsoft Excel worksheet, you can insert page numbers in the headers or footers of the worksheet pages. Page numbers that you insert are not displayed on the worksheet in Normal view, they are shown only in Page Layout view and on the printed pages.

How to count the number of unique values in a range that contains duplicate values in Excel.