Automatically respond to Gmail and Outlook emails

Gmail:

1. Settings → See all settings.

2. Advanced → Enable Templates.

3. Compose a template email.

4. Settings → Filters & Blocked Addresses → New Filter.

5. Set criteria → Apply filter → Send template.

Outlook:

1. File → Manage Rules & Alerts.

2. New Rule → Apply Rule on messages I receive.

3. Select conditions → Action: Reply using a specific template.