Support
Open a document
Tap Open a file on the home screen and pick the document, or open it from your Files, email or chat app with Open with › Word Document.
Save or export
Use the menu at the top left: Save writes back to the same file, Save As makes a copy, Export saves as PDF or another format, Print opens the Android print preview.
Lost changes?
If the app was closed before you saved, open it again: a Recover document card on the home screen brings back your last unsaved text.
A file opened from another app shows "File unavailable"
Some apps give only temporary access to a file. Open it again from the original app, or tap Choose file again.
Contact
Email nguyenthienvinh247@gmail.com with your phone model, Android version and, if possible, the document that causes the problem.