You could have downloaded VtigerOutlookPlugin 1.0.04 from our software library for free. This tool was originally designed by Different Solutions GmbH. The program is categorized as Office Tools. The most popular versions among VtigerOutlookPlugin users are 2.1 and 1.0.
From the developer:
With the Vtiger CRM Plugin for Outlook you can easily integrate your Outlook data in a Vtiger CRM. With this program you can edit email in the plug-in, to transfer only needed parts of the message into the CRM. The mail is sent and at the same time it is added to the contact in Vtiger CRM.
You may want to check out more software, such as PDF Converter Professional, GnuWin32: Sed or Gallery Constructor, which might be similar to VtigerOutlookPlugin.