To export the file please do the following :

• open the Reader menu with swipe down
• click on the icon above the rotation one
• you will see 3 options from left to right : .padmu, pdf , print, choose .padmu
• The file will be saved in the PadMu Export folder.
• Exit the Reader , go to the PadMu Export folder
• Connect the Tablet to the Computer with the cable
• Select the just exported file, copy it to the PC/Mac
• Send to us

Thx