It started with file syncing, but I soon added my calendar too, while the OnlyOffice integration ... And it’s reassuring that all my sensitive work documents live on a system I control. It’s the next ...
Samsung has some excellent alternatives to Google Apps, including the Samsung Keyboard, Notes, Gallery, and Calendar apps.
Using an external drive requires more effort than backing up everything to the cloud. You need to wait for your files to transfer from your device to the drive, and then sort everything into folders.