You could send an email from a shared account as long as you have access to the account and permission to send emails as. 

Step-by-step guide

Add the steps involved:

1. Go to Outlook.
2. Create a New Email.
   
3. Click on the Options tab. 
   
   
   
   
4. 
5. Click on the 3 dots icon and click on From.
   
   
   
   
6. A From tab will appear on top of To.
   
   
   
   
7. Click on From.
8. Select the email address that you want to send an email as.  

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