Applies to: 
Visual Studio 
Visual Studio for Mac
Note
This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here
Use the Miscellaneous options page to set preferences for how the HTML editor handles elements pasted into the page. To access this page, on the menu bar, choose Tools > Options, and then expand Text Editor > HTML (Web Forms) > Miscellaneous.
Miscellaneous HTML options
Format HTML on paste
When this check box is selected, the editor reformats elements pasted into the page, using currently defined formatting rules. If this check box isn't selected, the editor pastes the elements, using the exact formatting of the original element.
Require '<' to trigger tag completion window
When this check box is selected, the tag completion window appears when you type the less-than character ("<").