To decrypt a file with APG, tap the key icon in the upper left to open the menu, and tap Decrypt. If APG detects you’ve previously copied an encrypted message from any app, it will automatically ...

Now, click the Open drop-down button and select the Open and Repair option from the list. Your Excel file will be checked for any damage or corruption and fixed immediately.

Selecting the first option i.e., ‘ Download later ’, lets you open the file without any problem but seeing this message every now and then becomes a major annoyance after some time.

You’ll get a screen like the one below. Click to open: Share and Storage Management To see what files are open on your system, from the Action pane of the tool, choose Manage Open Files.

The app stores files until you send them (or delete them with the Trash button), and it’s clever in how it combines temporary storage with the ability to send emails outside the main Mail app.