You can open a file in another app to edit it there.
- Open the app and log in (see article The Workplace app for iOS devices).
- Open a file by short tapping it.
- Tap on the button for further options and then on Open in (see article File options at a glance).
- Select the app that you want to edit the file in. Tap, for example, on Copy to Teamplace (arrow in illus.).
- The selected app will open automatically. The file can be edited there.