Microsoft: User Manual for Retarus Fax for Outlook Add-In

The Retarus Fax for Outlook Add-in provides a convenient way to send and receive faxes directly in Microsoft Outlook via Retarus Fax Cloud. Once it’s installed, the icon is displayed within the user interface of your Outlook application.

The icon’s appearance varies based on the Outlook application you use. For example, to send a fax in the desktop version of Outlook for PC, you'll find the icon in the ribbon on the Message tab after you open a New Mail window.

How to send a fax

1. Select New Email to start a new message.

2. Select the Send Fax () button.
   → This opens the Fax for Outlook Add-In interface in the right sidebar of your application.

3. Type the fax number in the Send fax to field, (e.g., 16145556789, 490123456789, 18661234567).

4. Click anywhere outside the Send fax to field.
   → The fax number is displayed in the To field.

5. Optional: Repeat steps 3 and 4 to fill in the Cc fax to field.
   → The fax number is now displayed in the Cc field of your application.

6. Type a subject for your email.

7. Type your message in the body of the email.

8. Select the paperclip/Include button to add attachments to the fax.

9. Click Send.

→ Your fax is transmitted.

→ After the fax is transmitted, you will receive either a successful delivery email notification or a non-delivery email notification, with a comprehensive report about your fax transmission.

To get a detailed overview of your fax transmission:

10. Open the fax delivery email notification.

11. Select Read fax.

→ This opens the Fax for Outlook Add-In interface in the right sidebar of your application and displays the details of your fax transmission.

Message format

Messages sent through Fax for Outlook Add-In are formatted with the recipient’s fax number followed by the Retarus Email-to-Fax gateway domain:
[Fax number]@[Retarus Email-to-Fax Gateway Domain]

Examples
+12012051646@us.rfax.net
+498912503157014@eu.rfax.net

Your system administrator configures the standard gateway domain (e.g., rfax.net, eu.rfax.net).
Specific regional routing options can be used for North America, EMEA, and APAC. For correct implementation, please contact your Retarus representative.

Fax sending options

The default sending options can be modified by your administrator.

Option/Field	Description
Send fax to/Cc fax to	Sends a fax to several recipients at once. Use a semicolon to separate recipients.
Fax only attachments	When enabled, the fax includes only the attachments without any accompanying email text.
Schedule a fax	Schedules faxes for later delivery. Activating this feature displays extra fields to specify the desired sending time and date.
Reset to Default Options	Undoes any changes and restores the original settings.
Log in for more options	Opens additional settings for sending your fax. You’ll need to enter the credentials for your Microsoft account to access or alter the settings. If you don’t have the necessary permissions, contact your administrator.
	Opens the Retarus homepage.
	Opens the user documentation.

Supported attachment formats

Retarus Email-to-Fax supports text, spreadsheet, and presentation file types, as well as standard graphic file formats:

• DOC, PDF, TXT

• XLS(X)

• PPT

• JPEG, GIF, TIFF, BMP, PNG

• HTM, HTML

• PS, PCL

More detailed information can be found in the Retarus Email-to-Fax user manual.