How to edit PowerPoint presentations from Jottacloud
Open Jottacloud on your iPhone or iPad and go to Files
Click the options menu on the right side of the presentation you want to edit, and select "Open in..."
(You can also open the options menu by clicking and holding on a presentation)
Once you have finished editing, click the menu in the top right corner
(You can ignore this step If you have turned on "AutoSave" since all changes are saved automatically)
Click "Done" in the top left corner
Your changes to the presentation have now been saved and uploaded to Jottacloud.