How can I attach file when I'm reviewing a proof? QAmail_outline

To attach a file in the review environment, simply click the Attach button next to the line "File Upload."

To attach a new file, click the blue "Click here to select file" link and select the file that you wish to upload. Then click Upload:

 You can attach as many files as you like. When you're done, click the Done button on the lower right corner of the pop-up.