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Try it out: Receive a Test Fax
How To Fax with eFax in 3 Steps
As the world’s #1 online fax service, eFax allows you to send and receive faxes directly via email, a secure online portal, or mobile device.
Easily sign, edit, and organize your faxes digitally with the assurance your documents will get to the right places. With eFax, you avoid all the paper and maintenance costs that come with traditional fax machines.
Enjoy the Many Ways to Send and Receive a Fax
How to Send a Fax by Email
With eFax, faxing is easy as sending an email in 3 easy steps.
Step 1.
Compose a new email and address it to the recipient’s fax number followed by @efaxsend.com. 
Step 2.
Cover Letters are optional. Enter the Subject Line and any Message into the body of the email. Attach up to 10 files and then click Send. eFax supports up to 170 files types, including DOCX, PNG, PDF, and many more. 
Step 3.
Your fax and cover letter will be delivered to your recipient’s fax machine. It’s that simple! 
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How to Send a Fax Online
Your eFax account lets you share large files, add digitized signatures to documents, and easily manage your sent and received faxes — all in one place.
Step 1.
Go to efax.com/login. Log in to your eFax MyAccount and select Send Faxes. 
Step 2.
Enter recipients’ addresses or add them from your contact list. Fill in the subject for your fax and use the Message field for your cover sheet. Attach up to 10 files and click Send Fax. 
Step 3.
Your recipient receives your document and cover letter exactly as they would a normal fax – it’s as easy as email! 
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How to Receive a Fax Online
Others will send a fax to your eFax account using your assigned number.
Step 1.
Simply log in to your mobile app or eFax account portal where faxes sent to your assigned number will appear just like a regular inbox. 
Step 2.
For mobile app users, tap on Inbox. For web users, click on View Faxes. 
Step 3.
Tap on your received faxes in your inbox to open and view them. 
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All the Ways to Send and Receive Faxes with eFax
eFax makes it easy to send, receive, sign, and edit faxes. We offer a robust mobile app along with powerful online tools to make sending and receiving faxes as convenient as possible.
Mobile Fax App
Use any smart device to send faxes with the eFax Mobile App. View incoming faxes on the go, and never miss an important fax.
eFax Messenger
Easily access faxes with our free software. Send, receive, view, edit and sign faxes all in a convenient desktop app.
Fax by Email
Enjoy the flexibility of sending faxes using just your email address. Faxes can also be received and opened using any email service.
eFax MyAccount
Send faxes online by logging in to your eFax MyAccount portal. Received faxes can be tagged and organized for quick retrieval later.
More How-Tos
Learn how to fax your way! Whether you want to fax a PDF or fax using Gmail, our versatile service has you covered.