eFax Help Center
eFax Frequently Asked Questions
A new solution to a centuries-old communication system, eFax offers your organization a means to streamline processes, improve efficiency and cut unnecessary costs. Here are some commonly asked questions about eFax that will help you better understand how it can help your business.
General Information
Traditional fax systems require expensive and difficult-to-maintain equipment. When you want to send or receive a fax, you’ll need to go where your fax machine is and ensure it’s stocked with paper, ink, and toner. But with eFax, you can send, edit, and receive faxes from anywhere with an internet connection. Not only do you not need a fax machine, but you won’t even need a printer because you can edit and sign your faxes digitally.
Absolutely. eFax is a legitimate and reputable service that has been providing secure and efficient online faxing solutions for years. Your documents are encrypted for privacy, and eFax complies with industry standards for data security.
eFax Corporate is specifically for organizations who need a high-volume faxing solution that meets strict security & compliance standards of regulated industries. On the other hand, eFax is ideal for individuals and small businesses with limited faxing requirements.
Getting Started with eFax
No, eFax can be integrated with your existing equipment. You can access your eFax account from any device with an internet connection. Our iOS and Android apps make it even easier to fax on the go without having to upgrade your equipment.
Once you get an eFax account, there are various ways to send faxes. These include:
- Send fax by email
- Send fax online using the eFax portal
- Send a fax using the eFax mobile app for Android or IOS
The eFax message center is a centralized platform that allows you to access your eFax account anytime. The message center is the inbox for your account, which you use to send and view faxes with your electronic signature or resend stored faxes. You can also use the message center to manage your contact lists and add tags to your faxes.
Whenever a fax is sent to your eFax number, an email notification pops up in your email inbox. You can also receive faxes to your smartphone or tablet if you have the eFax app for Android or iOS.
Account Management
To change or update your eFax password, simply use the “Forgot Password” link located on the eFax login page.
Yes, you can add additional fax numbers to your account at any time by contacting eFax Customer Support or managing your subscription settings through the online portal.
Yes! One of the advantages of eFax® is that you can enjoy all the convenience and cost savings of an online fax service without sacrificing the fax number you’ve already established for your business. With an eFax account, we can help you transfer your business fax number over to eFax.
Sending & Receiving Faxes
The time it takes for a fax to be sent or received can vary depending on several factors, including the quality of your internet connection, the size of the fax, and the efficiency of the fax service provider. Typically, digital faxes are sent and received almost instantly, but in some cases, it may take a few minutes. If sending to a traditional fax machine, it may take longer as it depends on the recipient’s machine and phone line quality.
To ensure security, SPF (Sender Policy Framework) is enabled to send faxes by email. If it is not allowed, your fax will fail. If you get an SPF error, your DNS (Domain Name System) server is missing a valid SPF record. Seek help from your email administrator to add an SPF record to your DNS and clear the error message.
Troubleshooting & Support
If you encounter issues with your eFax account, visit the eFax Help Center for common solutions. For further assistance, please contact customer service at (800) 878-7151 email [email protected]
A reference ID helps identify the fax as belonging to a specific case, issue or campaign.
Accessing & Managing Faxes
You can access your faxes by simply logging in to your eFax online account. Once you log in successfully, you can view all your sent and received faxes.
Deleted faxes are stored in your Trash folder until permanently removed.
Manual Deletion: Users may permanently delete faxes from the Trash folder at any time.
Automatic Deletion: Faxes are automatically purged based on your account’s retention settings:
- Personal Accounts: 6-month maximum.
- Business Accounts: 12-month maximum.
- Customization: You can adjust these durations in your Settings, up to the maximum limit allowed by your plan.
Yes, you can manage your billing configurations directly in your account under the Profile Menu > Billing & Plan settings.
Supported File Types
With eFax®, you can send faxes by simply adding your fax documents as attachments — including virtually all standard file types — to a new email message.
The standard file transfer format for faxes is TIFF, but eFax offers many more options. Below is a list of the more than 170 standard file formats that eFax supports.
| Document Type | Versions | ExtensionsExt |
| Adobe Portable Document Format (PDF) | All Versions | |
| Adobe Postscript | Adobe Postscript | PS |
| Adobe Photoshop | Adobe Photoshop | PSD |
| Amiga Interchange File Format (IFF) | Raster Bitmap only | IFF |
| CAD Drawing Exchange Format (DXF) | All AutoCad compatible versions | DFX |
| Comma Separated Values format | All Versions | CSV |
| CompuServe Graphics Interchange Format | GIF87a, GIF89a | GIF |
| Corel Presentations Slideshow | V. 96 and above | SHW |
| Corel Word Perfect | v 5.x.6, 7, 8, 9 | WPD, P5, WP6 |
| Encapsulated Postscript | Encapsulated Postscript | EPS |
| Hypertext Markup Language | HTML only, with base href tag required | HTML |
| JPEG (Joint Photography Experts Group) | All Versions | JPG, JPEG |
| Microsoft Excel | v 5, 95, 97, 2000 | XLS, XLSX |
| Microsoft PowerPoint | v. 4 and above | PPT, PPTX |
| Microsoft Publisher | v. 98, 2000, 2002, 2003,2007; Mac: v. 4, 5.x, 95, 98 | PUB |
| Microsoft Word | Win: v. 97, 2000,2003, 2007 | DOC, DOCX |
| Microsoft Word Template | Win: v. 97, 2000, 2003,2007; Mac: v. 4, 5.x, 95, 98 | DOT, DOTX |
| Microsoft Works Word Processor | Microsoft Works Word Processor | WPS |
| OpenDocument Drawing | All Versions | ODG |
| OpenDocument Presentation | All Versions | ODP |
| OpenDocument Spreadsheet | All Versions | ODS |
| OpenDocument Text | All Versions | ODT |
| PC Paintbrush Graphics (PCX) | All Versions | PCX |
| Plain Text | All Versions | TXT, DOC, LOG, ERR |
| Portable Network Graphics (PNG) | All Versions | PNG |
| Quattro Pro | v. 6 and above | QPW, WB1, WB2, WB3 |
| Rich Text Format | All Versions | RTF |
| StarOffice Drawing | v. 8 | SXD |
| StarOffice Presentation | v. 8 | SXI |
| StarOffice Spreadsheets | v. 8 | SXC |
| StarOffice Text Documents | v. 8 | SXW |
| Tagged Image file format (TIFF) | All Versions | TIF, TIFF |
| Truevision Targa Format | All Versions | TGA |
| Visio Drawing | Visio Drawing | VSD |
| Windows Bitmap | All Versions | BMP |
| Word Perfect Graphics | v. 2.0 and above | WPG |
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