Resetting the Synchronization Process

• 1). Close any open programs and files. Open iTunes by clicking "Start," "All Programs" and the "iTunes" folder, then "iTunes."
  
  
• 2). Click "Edit" and "Preferences."
  
  
• 3). Select the "Devices" tab. Click the "Reset Sync History" button.
  
  
• 4). Select the "Info" tab. Scroll to the "Advanced" section. Click "Contacts" under the heading "Replace information on this iPhone/iPad/iPod touch."
  
  
• 5). Click "Apply." Now attempt to sync your iPhone with Outlook by connecting the smart phone to your computer using its synchronization cable. If your contacts are still not syncing, proceed to the next section.
  
  

Modifying Outlook's Add-ins

• 1). Open Outlook by clicking "Start," "All Programs" and "Outlook."
  
  
• 2). Click "Tools" then "Trust Center." Select "Add-ins."
  
  If using Outlook 2003 or an older version of Outlook, click "Tools" then "Options."
  
  
• 3). Click the box next to each add-in except "iTunes Outlook add-in" under the heading "Active Application Add-Ins" to deselect the add-ins.
  
  If using Outlook 2003 or an older version of Outlook, select the "Other" tab; then click the "Advanced Options" button.
  
  
• 4). Click "COM Add-Ins" in the "Manage" box. Click "Go." If using Outlook 2003 or an older version of Outlook, click the "COM Add-Ins" button.
  
  
• 5). Click the box next to each add-in within the "COM Add-Ins" dialog box to deselect the add-ins. Click "OK." Now attempt to sync your iPhone with Outlook. If your contacts are still not syncing, proceed to the next section.
  
  If using Outlook 2003 or an older version of Outlook, click the box next to each add-in except "iTunes Outlook add-in." Click "OK." Then attempt to sync your iPhone with Outlook. If your contacts are still not syncing, proceed to the next section.
  
  

Re-installing iTunes and Apple Mobile Device Support

• 1). Close any open programs and files including Outlook and iTunes.
  
  Click "Start" and "Control Panel." Select "Uninstall a program" if using Windows 7 or Vista.
  
  If using Windows XP, click "Start," "Control Panel" and "Add or Remove Programs."
  
  
• 2). Select "iTunes" and click "Uninstall" or "Remove." Follow the on-screen prompts to remove the application. Do not restart your computer if prompted to.
  
  
• 3). Select "QuickTime" next for removal; then remove the following applications in order: "Apple Software Update," "Apple Mobile Device Support," "Bonjour" and "Apple Application Support." It is important to remove the iTunes applications in the order presented in this step to prevent your system from generating error messages and encountering problems
  
  Note: Apple Application Support is part of iTunes 9 and newer versions of the application only.
  
  
• 4). Restart your computer after removing the last application. Click the "iTunes" link the Resources section to download the latest version of the iTunes application. Click "Run" when the "Opening iTunes" dialog box appears.
  
  
• 5). Follow the on-screen prompts to install the iTunes and the Apple Mobile Device Support component. Once the installation is finished, connect your iPhone to your computer so iTunes can set up the device and start the synchronization process.