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MailOne 1.0 Installation

To fully install MailOne 1.0 on your computer, download and install each of the files below one-at-a-time in the order presented.

STEP 1: Microsoft .NET v3.5 (EXE, 3MB) — or later .NET versions. Check installed programs to see if .NET is installed on your PC.

STEP 2:  Mail One 1.6.4

STEP 3: MailOne 1.0 USB Driver Installer (EXE, 2MB)

MailOne 1.0 Installation Guide

MailOne 1.0 Customer Installation Guide (PDF)

Installation Warning

What if you see the warning below?


Even though Microsoft has not certified the MailOne software, be assured that it is safe to install and use.

  1. Click the Actions button, which will launch a new window.
  2. In the new window, click More Options.
  3. Then click Run Anyway.

How to Update MailOne 1.0

Uninstall the old version from your computer. (Don’t worry — all your data should be retained even though you’re uninstalling.)
Download the new installer. (See STEP 2 above under MailOne 1.0 Installation.)
Install the new version.

*How to Uninstall MailOne

Click the Windows Start button (bottom-left of your computer screen).
Click Control Panel > then Programs > then Programs and Features.
Click FP-MailOne in the list of programs.
Click the Uninstall/Change button that appears above the programs list.
Follow the instructions to uninstall.

MailOne 1.0 for UltiMail and CentorMail

MailOne 1.0 will automatically update to the new rates on September 03, 2017, as long as you are connected to the internet and the rates have been updated on your PostBase. The version number will still be 1.6.4

+ Install

MailOne 1.0 Installation

To fully install MailOne 1.0 on your computer, download and install each of the files below one-at-a-time in the order presented.

STEP 1: Microsoft .NET v3.5 (EXE, 3MB) — or later .NET versions. Check installed programs to see if .NET is installed on your PC.

STEP 2:  Mail One 1.6.4

STEP 3: MailOne 1.0 USB Driver Installer (EXE, 2MB)

MailOne 1.0 Installation Guide

MailOne 1.0 Customer Installation Guide (PDF)

Installation Warning

What if you see the warning below?


Even though Microsoft has not certified the MailOne software, be assured that it is safe to install and use.

  1. Click the Actions button, which will launch a new window.
  2. In the new window, click More Options.
  3. Then click Run Anyway.
+ Update

How to Update MailOne 1.0

Uninstall the old version from your computer. (Don’t worry — all your data should be retained even though you’re uninstalling.)
Download the new installer. (See STEP 2 above under MailOne 1.0 Installation.)
Install the new version.

*How to Uninstall MailOne

Click the Windows Start button (bottom-left of your computer screen).
Click Control Panel > then Programs > then Programs and Features.
Click FP-MailOne in the list of programs.
Click the Uninstall/Change button that appears above the programs list.
Follow the instructions to uninstall.

+ Rate Change

MailOne 1.0 for UltiMail and CentorMail

MailOne 1.0 will automatically update to the new rates on September 03, 2017, as long as you are connected to the internet and the rates have been updated on your PostBase. The version number will still be 1.6.4