ProperSync 1.2 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions of the software are 1.4 and 1.2. This program was originally produced by Channelmatter.
The software lies within Communication Tools, more precisely E-mail Tools. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
An Outlook add-in that extends SharePoint lists by exposing custom columns on calendars, tasks, contacts and discussion boards.
Classify and organize your team schedules, tasks, contacts and discussions to produce a more effective team!
Storing team calendars, tasks and contacts in SharePoint is essential to team collaboration.
You may want to check out more software, such as BackRex Outlook Express Backup, SysSense or Personal Mail Server Pro, which might be similar to ProperSync.