3
Cloudmark
7
Shareware
An anti-spam and anti-phishing plug-in for Outlook Express.
1
Afalina Software, Ltd.
6
Shareware
This handy tool is easy to understand and easy to work with.
10
Google, Inc.
2,207
Freeware
Use Microsoft Outlook 2003, 2007, 2010, 2013 and 2016 with G Suite.
4
Microsoft Corporation
106
Freeware
Provides the latest updates to Outlook 2003 with Business Contact Manager.
2
Microsoft
40
Freeware
Enables you to insert international characters from 26 languages.
87
OutlookCloud
6
Shareware
It is a small add-in program for Microsoft Outlook 2003, 2007 and 2010.
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.
Nicolas Sivridis
4
Freeware
Jello Dashboard is a Getting Things Done solution for Microsoft Outlook 2003.
43
Google, Inc.
4,240
Freeware
Use Microsoft Outlook 2003, 2007, 2010, 2013, and 2016 effectively with G Suite.
81
DKSoft
Shareware
Mail Alert is a free e-mail alert add-in for Microsoft Outlook 2000 / XP / 2003.
Reclaim Your Pro....
Totalidea Software
Shareware
It is a unique add-on for Microsoft Outlook to attach virtual sticky notes.
deepinvent Software GmbH
1,831
Freeware
MailStore Outlook Add-in is great add-in for Microsoft Outlook.
RemoteCalendars
13
Open source
RemoteCalendars is a COM-.NET Add-in for Outlook 2003/2007, written in C#.
Einstein Technologies
2
Freeware
Tablet Enhancements for Outlook is an add-in for Microsoft Outlook.
