Summary
If the option to Leave a copy of the message on the server is missing in Outlook, it may be due to the type of email account you use. Of the most common types of email accounts, only POP3 accounts download the email to your computer.
If you have an IMAP, or HTTP (Gmail, Outlook.com etc.) account, mail is not generally stored on your computer. All email remains on the mail server until you delete it.
If you have an IMAP, or HTTP (Gmail, Outlook.com etc.) account, mail is not generally stored on your computer. All email remains on the mail server until you delete it.
More Information
To enable (or disable) the Leave a copy of the message on the server option, follow these steps:
If you would like to know more about different email account types, see Introduction to e-mail account types.
- Open Outlook.
- Click the File tab > Account settings > Account settings.
- Highlight your current POP3 account and click Change.
Note: The window that opens will tell you what type of email account you have. (Look under Type.) - Choose More settings and click on Advanced.
- You should see a check box titled: Leave a copy of messages on the server.
- Checking the box will enable Leave a copy of the message on the server.
If you would like to know more about different email account types, see Introduction to e-mail account types.