Beginning with Outlook 2013, downloading only headers is not available forIMAPandExchange accounts.

In theSend & Receivegroup, selectSend/Receive Groups.

In theSend/Receive Groupsdialog box, choose the desired group.

Download Only the Headers for Large Messages in Outlook

Rawpixel / Unsplash

In theSend/Receive Settingsdialog box, select aPOP3account from theAccountslist.

Select theInclude the selected account in this groupcheck box.

UnderFolder Options, select theInboxfolder.

Screenshot of Send/Receive Groups

SelectDownload complete item including attachments.

Select theDownload only headers for items larger thancheck box.

Enter the desired threshold size.

Screenshot of Send/Receive Groups menu

The default is set at 50KB.

Repeat steps 9 through 12 for each folder that is set up to receive incoming email.

Getting the full emails is easy, as isdeleting messages right at the serverwithout downloading them in full.

Screenshot of Send/Receive Groups dialog

Screenshot of Send/Receive Settings