Category Archives: MS Outlook

RMail for Outlook – Desktop

RMail for Outlook – Desktop

Installing the RMail for Outlook app adds a “Send Registered™” button to the mail compose window in Microsoft Outlook 2007, 2010, 2013, 2016. This add-in also works with Office 365 (if you install Microsoft Outlook onto your computer). The button will appear above or next to the traditional “Send” button, and allows the user to send RMail messages. RMail for Outlook software includes the following sending options: email open tracking, proof of email delivery, encryption, electronic signature & contracting, large file transfer, PDF conversion, authentication, metadata cleaning, and more.

IMPORTANT NOTE: Please select the bit version of your Microsoft Outlook (32-bit or 64-bit). The RMail App for Outlook works on both 32-bit and 64-bit Windows so Windows bit version is not relevant.

Please follow the steps below to determine the Outlook bit version:

  1. Outlook 2013/2016: File > Office Account > About Outlook (listed at the end of the first line on the pop-up)
  2. Outlook 2010: File > Help (listed on the first line below, “About Outlook”)

Download 32-bit Download 64-bit

RMail for Outlook Online,, O365 for Mac, and

RMail for Outlook Online,,, and Office 365 for Mac

Track email opens, prove email delivery, encrypt private email, and get documents signed electronically — all from within Microsoft Outlook Online,, Office 365 for Mac, or 

This RMail add-in provides seamless access to  RMail services when using Outlook Online,, or, allowing you to track email opens, get automatic proof of email delivery, encrypt private email, get documents signed electronically, and convert PDF files.

RMail is powered by RPost’s Registered Email™ technology, the global standard for email delivery proof.

Click the button below to go to the official app page in the Office Store. You will need to follow the instructions on that page to add the app to your webmail interface.
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