You can copy and paste text using CTRL+C/CTRL+V in Windows & Linux and CMD+C/CMD+V in Mac OS X. You can also use the right-click menu.

This works from your browser to remote browsers and vice versa, except in the following cases:

You cannot copy from your browser to remote browsers:

• In Firefox, if the BrowserStack extension is not installed.
• In Chrome, with the right-click menu.
• In remote Windows Phone browsers.

You cannot copy from remote browsers to your browser:

• In Firefox and Chrome, if the BrowserStack extension is not installed.
• In IE, Safari and Opera.
• In remote Windows Phone browsers.