1. Can I send faxes to Toll-Free numbers?

2. Why do I get an 'invalid format file detected' error when sending a fax through the Control Panel?

3. Do I need to configure the Fax printer driver every time I want to send a fax?

4. Do I have to be connected to the Internet every time I want to send a fax?

5. How many files can I attach to an Email for a single fax?

6. Why is my number giving a busy signal?

7. How does 'Fax Broadcast' work?

8. Is sending faxes with Onefax secure?

9. What is a local number?

10. What is a toll-free number?

11. How do I send Microsoft Word, Excel, and other file formats not supported by the Control Panel?

12. Is it possible that a fax transmission is undelivered?

13. How come I get blurry or unclear fax messages when I print it out?

14. How do I include the cover page?

15. Why can't I receive my fax messages through my Hotmail account?

16. Why can't I receive a confirmation email for messages sent through the fax broadcast feature?

Didn't find your question in our FAQ section? Contact us by email: support@onefax.com, phone: 1-800-878-1FAX

or Live Chat Support.