Send/Receive in Outlook 365
Limiting the incoming message size
You can use the Send/Receive Settings to specify a limit on message size for messages downloaded in the Inbox.
How to forward multiple E-mails
Usually, in order to forward a e-mail, you just need to open it and press the Forward button, but not in the case when you need to forward multiple e-mail at once. Fortunately there is a simple solution.
How to specify a Custom Message in the New Mail Alert
You can configure Outlook to display a message of your choice when a new e-mail arrives.
How to personalize the new E-mail notification options
If you have Outlook configured to automatically check for new e-mails at predefined intervals, you will probably want to be notified when a new e-mail has arrived.
How to set Outlook to download only E-mail headers
Sometimes it is to your advantage to not download an entire e-mail from your mail server, such as when you have a slow Internet connection or you want to start looking through many email messages for a particular one as soon as possible. Outlook offers the capability to download only the email header, which includes the sender and the subject of the email, and display these onscreen before downloading the message itself.
Reply and forward options
For replies and forwarded messages, you can choose to attach the original text, to include and indent the text, or to add a prefix to each line of the original message or reply without including the original text.
How to request a Receipt
If you want to be sure that someone has received your message, you can request a delivery receipt.
Send an E-mail later
Outlook offers you the capability to schedule an e-mail to be sent at the specified date and time in the future.
Display all received E-mails in plain text
In order to increase the speed of opening e-mail messages and reduce risks involved with opening of unsolicited messages, you can switch Outlook to the plain text reading mode.
Sending a business card in every new message
vCard, also known as an electronic business card in Outlook, contains contact information similar to paper business cards. You can exchange electronic business cards in vCard format via MMS or instant messaging and send it as an email attachment. If you contact a lot of new people and want them to have your or another person's contact information, you can send your vCard in every email. This lets recipients enter the information in their address book quickly and without errors by importing your electronic business card from the attachment.