RemoteCalendars
13
Open source
RemoteCalendars is a COM-.NET Add-in for Outlook 2003/2007, written in C#.
87
OutlookCloud
6
Shareware
It is a small add-in program for Microsoft Outlook 2003, 2007 and 2010.
Totalidea Software New Zealand Ltd.
6
Backup your Outlook 2003 and Outlook 2007 data and settings easily.
SDMD GmbH
25
Freeware
It is a freeware addin for Microsoft Outlook 2003 and Microsoft Outlook 2007.
1
Google, Inc.
8
Freeware
Google Apps Sync for Microsoft Outlook allows you to use Microsoft Outlook 2003.
Grapevine Interactive (Pty)Ltd.
38
Commercial
Use Outlook SMS to enable your Outlook Email to send and receive SMS messages .
3
Giegerich und Partner GmbH
26
Shareware
gpg4o (GPG for Outlook) helps you send confidential email in Microsoft Outlook.
Daniele Tiles,Gabriele
1
Freeware
It's a simple COM-.NET plug-in created for Outlook 2003.
2
BitLaboratory
Attractive Outlook 2003 style navigation bar and header.
Nicolas Sivridis
4
Freeware
Jello Dashboard is a Getting Things Done solution for Microsoft Outlook 2003.