If you can’t sync your Outlook contacts and calendars to your iPhone, iPad or iPod touch using iTunes for Windows

Get help syncing your Outlook contacts and calendars from your PC to your iOS device.

If you're having issues syncing using iTunes on your PC, consider setting up iCloud for Windows instead. It is the simplest way to keep all of your contacts, calendarnotes, and documents up to date across all of your devices. iCloud helps you manage your contacts, calendars, and notes automatically so that you can access them where and when you need them. With iCloud, you can access your contacts from your iPhone, iPad, iPod touch, computer, or at iCloud.com. If you prefer to sync using iTunes, then follow the steps below to resolve the issue. 

Before you begin

System Requirements

Syncing notes via USB isn’t supported in iTunes 12.2.2 and later or iOS 9 and later. Learn more about how to use iCloud to sync your notes with Outlook.

If you can't sync

If you weren't able to sync using iTunes, or your contacts and calendars don't sync as expected, follow the steps in each section:

Reset your iTunes sync history

  1. Open iTunes.
  2. Hold down the Control and B keys on your keyboard to open the iTunes menu bar. Then, choose Edit > Preferences.
  3. Select the Devices tab.
  4. Click the Reset Sync History button.
  5. Try syncing again to see if that resolves your issue.

Run iTunes Diagnostics

Run the ‘iPhone/iPod touch sync test’ using iTunes Diagnostics while your device is connected to iTunes. If the test passes, apply the sync in iTunes again. If your contacts or calendars still don’t sync as expected, there could be an issue with your Windows user account, your Outlook profile, or the data itself.

Isolate the issue with a new Windows user account

You can log in with a new user account to figure out if the unexpected behavior is related to a specific user or a system-wide issue.

  1. Create a new user account in Windows 10Windows 8, or Windows 7.
    This isolation will ensure the steps you're applying are appropriate for the type of issue occurring. If you prefer not to create a new user account on your Windows system, continue to the User Account Issues.
  2. After you create a new user account, sign in to that new user account and open Outlook. After Outlook opens, create a local data file (PST) and add a few contacts and calendars to Outlook.
    Some versions of Outlook may require you to have your original install disk.
  3. Connect your iOS device and try to sync.

If all your content synced correctly, the issue is likely related to the specific user account your are trying to sync. Continue to User Account Issues

If your content didn’t sync as expected, try running the "iPhone/iPod touch sync" test using iTunes Diagnostics while your device is connected to iTunes. If the test passes, sync using iTunes again. If your data still doesn’t sync with the new user, apply the steps for system-wide issues.

For user account issues

To fix an issue with a user's settings or files when syncing with Outlook, apply the steps below, and after each step, try syncing again using iTunes.

Disable third-party Outlook add-ins

Outlook add-ins created by other manufacturers may prevent iTunes and Outlook from communicating. Follow the steps in these Microsoft knowledge base articles to learn how to disable Outlook add-ins.

Then connect your iOS device and try to sync.

Rename the SyncServices folder

The SyncServices folder stores sync-related information, and might have incomplete leftover data that interferes with a sync. Rename the folder using these steps:

  1. Disconnect any iPhone, iPad, or iPod touch from the computer.
  2. Restart the computer.
  3. The SyncServices folder is stored in a hidden folder named AppData. Press the Windows key on your keyboard.
    If your keyboard doesn't have a Windows key, press the Control (Ctrl) and Escape (Esc) keys on your keyboard. 
  4. Click on the magnifying icon or search field. In the search field, enter %appdata%
  5. In the search results, select AppData. 
  6. Open the Apple Computer folder within the Roaming folder.
  7. Rename the SyncServices folder to “SyncServicesOld”.
  8. Then, connect your iOS device and try to sync.

If you need more help with data-specific issues or correcting issues with your Outlook data file, refer to your computer's help system, contact your IT department, or visit support.microsoft.com.

Replace Information

Instead of syncing, you can opt to replace all contact or calendar data on your iOS device with the data in your Outlook profile. 

First, confirm the Outlook data in your Outlook profile on your computer is all accurate. If it is, then reset your sync history again:

  1. Open iTunes.
  2. Hold down the Control and B keys on your keyboard to open the iTunes menu bar. Then, choose Edit > Preferences.
  3. Select the Devices tab.
  4. Click the Reset Sync History button.

Then apply the steps below:

  1. In iTunes, select your iOS device from the upper-left corner of iTunes, then click Info.
  2. Scroll down to Advanced. Under "Replace information on this iPhone/iPad/iPod touch," select Contacts or Calendars, click Apply.

For system-wide issues

To fix system-wide issues syncing with Outlook, follow the steps below. After each step, trying syncing using iTunes again.

For assistance using the Microsoft resources listed above, refer to your computer's help system, contact your IT department, or visit Microsoft Support.

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