Check your computer's date settings. Excel uses your computer's date system. If a cell's date isn't entered using the same date system, Excel won't recognize it as a true date.

Cumulative Update 14 for Microsoft Exchange Server 2019 was released on February 13, 2024. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues. These fixes will also be included in later cumulative updates for Exchange Server 2019. This update also includes:

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Learn how to use Remote Desktop in Windows. On your Windows, Android, or iOS device: Open the Remote Desktop app (available for free from Microsoft Store, Google Play, and the Mac App Store), and add the name of the PC that you want to connect to (from Step 1). Select the remote PC name that you added, and then wait for the connection to complete.

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

Roaming of the work account's device certificate is not supported. The certificate, issued by "MS-Organization-Access", is stored in the Personal (MY) certificate store of the current user and on the local machine.

Whether it’s a new job title (congratulations!) or a phone number change, make sure you keep your email message signature up-to-date. If you're using new Outlook, for more information about email signatures, or if you haven’t created one yet, see Add a signature to messages.. Select File > Options > Mail > Signatures.

Setting up the modem and Internet connection. After you have all the equipment, you'll need to set up your modem and Internet connection. If your modem wasn't set up for you by your Internet service provider (ISP), follow the instructions that came with your modem to connect it to your PC and the Internet.

Most software that you buy directly from Microsoft, like Office, Windows, and Xbox games, comes as a digital download that you can download, install, or reinstall.

Troubleshooting The people selection menus in Meeting options don't show invitees I've added to an occurrence of a meeting series. In this scenario, you will need to invite people to the meeting series, rather than to the meeting occurrence.