Windows 10 - Attach Files in Mail App

Launch Mail App

Click Compose

Click on the Attach Button

Navigate to the Folder where Files are Located

Select the File and Click Attach

Remove Email account from Mail App or disable Email sync for default Microsoft account - Windows 10

Click Mail app Tile

Press Windows key  +I Select Accounts

Select the email account to remove

Click Remove account if you are using local account or if you are trying to remove additional email accounts.

For Microsoft account you disable syncing emails by unchecking Email under content to sync

Print emails from mail app - Windows 10

Using the Keyboard

Open Mail App

Open the Email to print

Press the Ctrl + P keyboard combination

Select the Printer

Set the printing preferences and Click print button.

Method 2

Press Windows Key +K Click Print

Select the Printer

Windows 10 – Mail App - Change Email account Name or Update Sender Name

Launch Mail App

Press Windows Key  +I

Click Accounts

Select the Account to edit

Type the New Name Under Account name

To Change the name Displayed in the Sender Field or Set the Sender
Name for Email account

Select the Text under Your name Field and type the New Name

Windows 10 – Mail app – Fetch Emails from POP Supported Email accounts

Login to Microsoft account    http://www.outlook.com

Click on the gear icon

Click on Options

Click on Your email accounts

Click on Add a send and receive account.

Enter the Email address and password to Import the emails from and click on Next for
Common Domains. For any personal domains select Advanced Options

Enter the Server Address, port Numbers and encryption type for the email account

A New Folder option will create new folder for the email account

You May download the emails to default inbox by selecting and existing folder option

Click on Save

Click on Go to your Inbox

Step 2:
Note: if Same Microsoft account is already configured in Mail app, Just Launch the application and wait for the Mails to sync

Launch Mail app

Click Settings

Click Accounts

Click Add an Account

Select Outlook.com

Enter the Email address and password if the customer is not using the same Microsoft account and Click Connect