Datavare Software
Shareware
Split large PST file into small files.
Outlook PST Split
Shareware
Split large PST mailboxes in Outlook in small files.
eSoftTools Software
Shareware
Split OST/PST into multiple small PST 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.
5
HowTo-Outlook
1,785
Freeware
Provides fast access to Outlook's data folders and settings from desktop.
Outlook Fix
2
Shareware
OutlookFIX is the best solution for email recovery.
1
CodeTwo
124
Freeware
CodeTwo Attach Unblocker allows unblocking attached files in Outlook.
48
Sobolsoft
1
Shareware
Save many Outlook attachments at once.
Convert MSG to PDF with Attachments
Shareware
Convert Outlook Emails with Attachments to PDF in seconds only.
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.
