Microsoft Office 2003 (codenamed Office 11) is an office suite developed and distributed by Microsoft for its Windows operating system. Office 2003 was released to manufacturing on August 19, 2003, and was later released to retail on October 21, 2003. It was the successor to Office XP and the predecessor to Office 2007.

Microsoft Office 2003 System Requirements
Minimum

Operating system: Windows 2000 SP3, Windows XP
CPU: Intel Pentium 233 MHzو Intel Pentium II 400 MHz required for speech recognition, 450 MHz processor required for Business Contact Manager for Outlook 2003
Memory: 128 MB, 256 MB is required for Business Contact Manager for Outlook 2003
Hard drive: 210 MB (Student and Teacher, Standard), 380 MB (Small Business), 400 MB (Professional), An additional 190 MB of free space is required to install Business Contact Manager
Media: A CD-ROM drive is required to install Office 2003 from optical media
Graphics hardware: 800×600 (SVGA) with 256 colors
Sound hardware: An audio output device and microphone are required for speech recognition
Network: Certain advanced collaboration features require Exchange Server 2003 or later. Internet access is required for product activation and online functionality
Input device(s): Mouse and keyboard
Recommended

Operating system: Windows 2000 SP3, Windows XP
CPU: Intel Pentium III
Memory: 128 MB, 256 MB is required for Business Contact Manager for Outlook 2003
Hard drive: Cached installation files require the following additional hard disk space: 250 MB (Student and Teacher), 260 MB (Standard), 280 MB (Small Business), 290 MB (Professional)
Media: A CD-ROM drive is required to install Office 2003 from optical media
Graphics hardware: 800×600 (SVGA) with 256 colors
Sound hardware: An audio output device and microphone are required for speech recognition
Network: Certain advanced collaboration features require Exchange Server 2003 or later. Internet access is required for product activation and online functionality
Input device(s): Stylus and touchscreen for certain inking functionality