There are primarily two email apps that are most widely used on Android, the Gmail app and the Samsung Email app.
Update your Gmail app to the latest version.
Note: Open the Google Play Store app on your phone. Type "Gmail" into the search bar and then select Update. If the update option is not available, you're already on the latest version.
Open the Gmail app.
Tap the menu icon in the upper left corner > Settings > Add account > Exchange.
Important: If you have an Outlook.com email address such as @hotmail.com and want to sync calendar and contacts, choose Exchange. Do NOT choose Outlook, Hotmail, and Live unless you want to set up your account as an IMAP account.
Enter your full email address and tap Next.
For example, a full email address like yourname@hotmail.com or you@yourdomain.onmicrosoft.com.
Enter your password and tap Next.
Note: If you're setting up an Exchange-based account and you're prompted for additional settings, you'll need to ask your email provider or contact your administrator.
Follow any prompts you may get, including security permissions. You may also be asked to set your sync settings and a display name.
If you use Office 365 for business you may also be asked to give additional security control. In this case, choose Activate.
Now go to your inbox. If you see a message from "Microsoft account" with a subject that starts with "Action Required," follow these steps:
Note: If you don't see a message like this and all your emails are syncing, there is no need to complete this step.
Tap the email message to open it.
Tap the click here link to enable sync with the Gmail app. If you want to download Outlook for Android instead, tap the button.
Are you trying to sync calendar and contacts?
Depending on your version of Android, additional steps may be needed to properly sync your calendar and contacts:
Pull down the Android notification bar by swiping down from the top of your device's screen.
If you see a notification that reads "Unable to sync calendar and contacts," tap it.
Note: If you don't see a sync error notification, your calendar and contacts should be syncing.
Gmail will ask for access. Tap Allow and follow the prompts.
You're now ready to use your email in the Android Gmail app!
Note: Syncing email, calendar, contacts, and tasks may take a few minutes. If your device can’t connect to your email account, make sure your email address and password are typed correctly.