Test forum export containing an image Login as admin Create a course Add a Forum activity Press Add a new discussion topic Subject: Cat Message: Press Insert or add image and upload Cat.jpg Press Post to forum Select Export from the Actions menu Select Portable document format (PDF) in the Format dropdown Press Export Confirm the attached image is embedded within your PDF Manually test all writers with HTML content Login as admin Create a course Add a label Press Insert or add an image in the Atto toolbar Upload Cat.jpg Press Save and return to course On the course page, right click on the image and press Copy image location (in Firefox) Place dataformat_download.php in your wwwroot Replace the image URL on line 17 with the image you copied the location of previously Open "<YOURMOODLE>/dataformat_download.php" in a browser Click on each export format in turn: csv, excel, html, ods, json should return content as before this change pdf should render the HTML and display the image properly