The Google Docs mobile app carries a nice feature that allows you to make files available offline, so if you lose connection to the internet, you can still access documents and edit them as before.

The nifty part about Google Docs, Google Sheets, and even Google Slides is that you can edit your files offline. When you’re not connected to the internet (or on a limited or bad connection ...

Offline work with Google Docs, Sheets and Slides in either Chrome or Microsoft Edge gets easier for Word, Excel and PowerPoint format files.