If you’re using an external monitor that doesn’t have built-in speakers, make sure that the monitor isn’t already selected as your default output device. if it is, you won’t have any audio. You can check that when you set your default output audio device. Here’s how: Select Start > Settings > System > Sound .

When you need to protect the privacy of an email message, encrypt it. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text.

If the status isn't green, wait until the service is running normally and try again. Microsoft always keeps an eye out for unusual sign-in activity, just in case someone else is trying to get into your account. If you're travelling to a new place or using a new device, we might ask you to confirm that it really is you. ...

My Account portal for work or school accounts; Change your work or school account password; Find the administrator for your work or school account

Windows 11 版本 21H2; 2024 年 10 月 8 日 - KB5044280（OS 内部版本 22000.3260） 2024 年 9 月 10 日 - KB5043067（OS 内部版本 22000.3197）

After you turn on two-step verification or set up the Authenticator app, you may run into issues if you use older devices (like Xbox 360 or a mail-sending security camera) that don't support two-step verification. For those devices, you can sign in with an app password instead. An app password is a long, randomly generated password that you provide only once instead of your regular password ...

Windows 11, version 21H2; October 8, 2024—KB5044280 (OS Build 22000.3260) September 10, 2024—KB5043067 (OS Build 22000.3197) August 13, 2024—KB5041592 (OS Build 22000.3147)

Now in in Excel 2024 and Excel 2024 for Mac, you can now reference Dynamic Arrays in charts to help visualize datasets of variable length. Charts automatically update to capture all data when the array recalculates, rather than being fixed to a specific number of data points.

Windows 11, version 24H2 ; October 24, 2024—KB5044384 (OS Build 26100.2161) Preview; October 8, 2024—KB5044284 (OS Build 26100.2033) September 30, 2024—KB5043178 (OS Build 26100.1882) Preview

If you have a subscription through a Microsoft 365 (or Office 365) plan, that's separate from Office 2024 or Office LTSC 2024. For example, if you are already using Microsoft 365 or if your organization deployed Microsoft 365 Apps for enterprise to the users in your organization, you don't need Office 2024 or Office LTSC 2024.