Datavare Software
Shareware
Merge many PST file into one PST.
Softaken Software
Shareware
Automated solution to merge multiple Outlook PST mailboxes in single files.
SmarterTools Inc.
24
Freeware
SmarterMail Sync for Outlook 2003 delivers Exchange-level email server software.
Individual Software, Inc.
53
Commercial
Provides you with the guides and tutorials to help you learn Outlook 2003.
99
Veign
71
Freeware
A tool to let you decide which Outlook-blocked attachments are safe to open.
79
Sobolsoft
8
Shareware
Extract all lines from Outlook Inbox emails.
5
HowTo-Outlook
1,791
Freeware
Provides fast access to Outlook's data folders and settings from desktop.
52
OB Utilities
4
Shareware
OB Mail Merge is an Outlook plugin for sending bulk email.
55
AlgoLogic IT Solutions
47
Shareware
Extract outlook email address & data smoothly.
Filemail.com
Freeware
Filemail Outlook Add-in enables you to send large files directly from Outlook.
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.
RemoteCalendars
13
Open source
RemoteCalendars is a COM-.NET Add-in for Outlook 2003/2007, written in C#.
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.
10
Google, Inc.
2,207
Freeware
Use Microsoft Outlook 2003, 2007, 2010, 2013 and 2016 with G Suite.
87
OutlookCloud
6
Shareware
It is a small add-in program for Microsoft Outlook 2003, 2007 and 2010.
Codejock Software
1
Commercial
Provides Windows developers with a sophisticated Outlook 2003 style Report.