In the Add-Ins dialog box, select the check boxes the add-ins that you want to use, and then click OK. If Excel displays a message that states it can't run this add-in and prompts you to install it, click Yes to install the add-ins. For more information about how to use add-ins, see Add or remove add-ins.

Notes: If you can't use your camera to scan a QR Code, click Can't scan the image on your PC and tap Enter code manually on your mobile.. If you are allowed by your admin to use phone sign-in using Authenticator, you'll be able to go through device registration to get set up for passwordless phone sign-in and Azure AD Multi-Factor Authentication.

Windows Hello enables a sign in experience using facial or fingerprint recognition, or a PIN. While it offers a convenient and secure way to access your device, you might sometimes encounter sign in issues.

When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.

A manager needs an assistant to monitor email on his or her behalf. In this scenario, an assistant is granted the appropriate permissions to a manager’s folder or mailbox, but when they respond to messages, their responses are shown as coming on behalf of the manager.This type of sharing requires Delegate access permissions. For help with setting up delegate permissions, see Allow messages ...

Important: Office 2007 is no longer supported. Learn how to upgrade to a newer version.If you still need to install this version, you'll need an Office 2007 installation disc and a product key for the version you're trying to install.

Create an alias to give you an additional email address which uses the same inbox, contact list, and account settings as your primary email address in Outlook.com.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Tip: If you're already in Word for the web, get to the letter templates by going to File > New, and then below the template images click More on Office.com. You'll be on the Templates for Word page. In the list of categories, click Letters.

No matter where you live, work, or roam, there’s a version of Microsoft OneNote to fit your needs. Whether you’re on a PC, a Mac, in a browser, or on a mobile device, each version of OneNote lets you reliably access your cloud-connected notebooks to capture your thoughts and ideas.