If you see One or more items in the folder you synchronized do not match error message in Outlook, this post will help you. This message appears when you update or cancel a meeting item in the Outlook Desktop app. It signifies a conflict between the local version of your data and the remote copy you’re trying to sync with. The complete error message reads:
One or more items in the folder you synchronized do not match. To resolve the conflicts, open the items and then try this operation again.
Fix One or more items in the folder you synchronized do not match Outlook error
This happens when the calendar item in Outlook Desktop faces a local conflict, and the server copy does not have a conflict. Fortunately, you can follow some simple suggestions to fix the issue:
- Repair Outlook Data Files
- Create a New Outlook Profile
- Clear Offline Calendar Items
- Run Outlook in Safe Mode
- Repair Office Installation
- Use the Outlook Web App
Now, let’s see these in detail.
1] Repair Outlook Data Files
The one or more items in the folder you synchronized do not match error can occur due to corrupt Outlook data files(.pst and .ost). If that’s the case, run the Inbox Repair tool to repair the .pst files. Here is how you can use it:
Navigate to the following location:
Outlook 2021/19/365: C:\Program Files (x86)\Microsoft Office\root\Office19
Launch the EXE file, select Browse for the .pst file to scan, and click on Start.
If any errors appear in the scan, click on Repair to fix them.
Next, follow these steps to repair the .ost files:
Open Outlook and click on File.
Click on Account Settings, select the account you want to remove, and click on Remove.
Now, add that account and check if the issue persists.
2] Create a New Outlook Profile
Sometimes, the Outlook user profile can get corrupted and cause several errors. Creating a new Outlook profile can help fix the error. Here’s how:
- Open the Control Panel and search for Mail.
- Click on Mail(Microsoft Outlook) and select Show Profiles.
- Click on Add and follow the instructions on-screen to create a new user profile.
3] Clear Offline Calendar Items
Next, clear offline items for your calendar. This will make Outlook re-sync the calendar and repopulate the folder with the calendar items. Here’s how:
- Open Calendar in Outlook, right-click the Calendar folder, and select Properties.
- Navigate to the General tab, select Clear Offline Items, and click OK.
4] Run Outlook in Safe Mode
Running Outlook in safe mode will start the application without loading the installed add-ins or extensions. Here is how you can do it:
- Press and hold CTRL, then double-click on the Outlook.exe app icon.
- A prompt will now ask, “Do you want to start Outlook in Safe mode?” click Yes.
- Select your Outlook Profile Name in the next screen and click OK.
- Outlook will now open in Safe Mode; check if the one or more items in the folder you synchronized do not match error gets fixed.
5] Repair Office Installation
Next, consider repairing Outlook. This has been known to help users get over this error. Here’s how:
- Press Windows Key + I to open Settings and navigate to Apps > Apps & Features.
- Click on the office product you want to repair here and select Modify.
- Click Online Repair and follow the instructions on-screen.
6] Use the Outlook Web App
If none of these suggestions help, try using the Outlook web application. When using the Outlook web app, modifications occur directly on the server where the mailbox resides.
Read: How do I prevent Outlook from adding events to my Calendar automatically
I hope these suggestions help you.
How do I fix Outlook synchronizing folders?
If Outlook has trouble synchronizing folders, check your internet connection and force Outlook to sync manually. If that doesn’t help, repair the Outlook data files and reconfigure Outlook profile settings.
How do I force a folder to sync in Outlook?
Select the folder you want to synchronize to force a folder to sync in Outlook manually. Here, select Send/Receive on the Outlook ribbon, and then select Update Folder to sync a single offline folder. However, if you want to sync all offline folders, select Send/Receive All Folders.
