How to add multiple attachments to a job application?

Basically, email doesn't like large files. Servers impose limits on the maximum size of attachments, and messages that are too large increase the chance of ending up in spam.

Our email service provider requires a message to be no more than about 7 MB (for the curious), hence our limits on total size.

You can, however, send multiple attachments at once.

1. Click the attachments field:
   
2. Then press the CTRL key (or ⌘ on macOS) and while holding click on a few files (maximum 5) at a time:
   
3. The selected files should appear in the list of attachments, ready to be sent:
   

Good luck!