If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions.

If you can’t set the power mode in Power & battery settings, open Control Panel, select System and Security > Power Options, then choose a Balanced power plan. Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Register the password reset verification method for a work or school account. If you forgot your work or school password, never got a password from your organization, or have been locked out of your account, you can use your security info and your mobile device to reset your work or school password. Your administrator must turn on this feature ...

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.

Immersive Reader provides options for a comfortable and easy to process experience by allowing you to listen to the text read aloud or adjust how text appears by modifying spacing, color and more.

How to stay safe with a genuine Office license. Note: If you already bought genuine Office, but haven't installed it yet, make sure you Uninstall the counterfeit version of Office first. If you already installed genuine Office, uninstall both versions and then reinstall the genuine version.

Join a meeting. Set up a meeting in Outlook. Record and play back a meeting. Explore Skype for Business training. Change your presence status. Need help signing in? Get Skype for Business on your Mac.