Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac. Set up Office apps and email on a mobile device. Small business help and learning. Learn how to download and install apps you need from your Microsoft 365 business subscription.

Before you start, make sure that your Windows 11 PC supports Bluetooth. For more info on how to check, see Fix Bluetooth problems in Windows. If you need help adding a device without Bluetooth capabilities, see Add a device to a Windows PC.

Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device.

On the Home tab, select Sensitivity. If you're in Outlook select Sensitivity when composing an email on the Message tab. Choose the sensitivity label that applies to your file or email. Note: You'll see Learn more if your organization has configured a website to explain more about their sensitivity labels.

Download and install the new Microsoft Edge. Make sure you have administrator privileges on your device and do the following: Go to the Microsoft Edge web page to download and install Microsoft Edge on your Windows, macOS, iOS, or Android device.

The steps below will help you add an iCloud account to new Outlook, or manage an existing account by deleting it or making it your primary account. Note: If the steps under this New Outlook tab don't work or your version of Outlook looks different than what's shown, you may not be using new Outlook for Windows yet.

Disk cleanup in Windows. Windows 11 Windows 10. To delete temporary files: In the search box on the taskbar, type disk cleanup, and select Disk Cleanup from the list of results. Select the drive you want to clean up, and then select OK. Under Files to delete, select the file types to get rid of.

Post questions, follow discussions and share your knowledge in the Outlook.com Community. Learn to add email accounts such as Gmail and Yahoo! Mail to your Outlook.com app so you can view all of your mail from one location.

To find downloads on your PC: Under Quick access, select Downloads. Note: If necessary, go to the View tab, select Navigation pane, and ensure that Navigation pane is checked. You can also find your Downloads folder under This PC. Learn how to find where your browser is saving downloads.

In Outlook, go to the navigation bar and select More Apps > Add apps. Tip: You can also access the Store from the Apps button to install an add-in directly from a message or appointment. For guidance on how to locate the Apps button to access add-ins while reading or composing a mail item, see Use an add-in in Outlook.