Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

If your account has been hacked, use our sign-in helper tool below to help guide you to the right solutions. The tool will ask for your email address or phone number, and either show appropriate self-help, or offer the chance to talk to an agent.

Learn how to use the percentage formula in Excel to find the percentage of a total and the percentage of change between two numbers. Try it now!

To use your camera with apps on Windows 10, you'll need to turn on some permissions in Camera settings. Then, you'll need to check your app permissions if you want to use your camera with apps.

To learn more, see Customize your meeting view in Microsoft Teams.. Emoji just got personal. Customize and upload your own unique emoji in Teams to react with or send in chat. To upload a custom emoji, select Emoji, GIFs, and Stickers in a message compose box. Then, select Emoji > Your org's emoji > Add emoji .Choose an image or GIF file and select Add emoji.

The first time you use the DirectX Diagnostic Tool, you might be asked whether you want to check if your drivers are digitally signed. We recommend that you select Yes to help ensure that your drivers have been signed by a publisher that has verified their authenticity.

Save your spreadsheet in binary (.xslb) format. You can reduce your file size by saving your spreadsheet as a binary workbook (.xslb) instead of the default format (.xslx).

Argument name. Description. Sum_range (required). The range of cells to sum. Criteria_range1 (required). The range that is tested using Criteria1.. Criteria_range1 and Criteria1 set up a search pair whereby a range is searched for specific criteria. Once items in the range are found, their corresponding values in Sum_range are added.. Criteria1 (required)

When Outlook switches between working online and offline in classic Outlook, all email accounts are changed. You know you’re working offline when Work Offline is highlighted on the ribbon or Working Offline appears on the status bar at the bottom of the Outlook window.. When you’re ready to work online again, click Send / Receive > Work Offline.The button text doesn’t change, but it’s ...

Summary. This article describes the protection against the publicly disclosed Secure Boot security feature bypass that uses the BlackLotus UEFI bootkit tracked by CVE-2023-24932, how to enable the mitigations, and guidance on bootable media.A bootkit is a malicious program that is designed to load as early as possible in a devices boot sequence to control the operating system start.