How to fix Outlook error unsupported folder class

Outlook is a very dynamic application that you use to send or receive email messages throughout your business premises offline. But sometimes it creates some very annoying situation that you cannot imagine. If you have installed an Apple iCloud control panel in the windows operating system and trying to synchronize it with the MS outlook then it might be possible that “Outlook error unsupported folder class” may occur in your computer. It happens due to the reason that it tells you to use Outlook express or windows control panel mail option to set the iCloud file but you are using the Apple iCloud control panel. Due to this conflict the error message comes to your computer. You should fix this error using some manual method or you can also use Outlook PST Repair Tool to fix the issue automatically.

Compatible with Outlook 2000, 2002, 2003, 2007, 2010, 2013 and supports Windows 8, 7 (32-bit/64-bit), Vista (32-bit/64-bit ), 2003, XP, 2000, NT4 (SP6).

Symptoms –

When you get “Outlook error unsupported folder class” then it comes in the form of the following statement;

“Cannot start Microsoft Outlook. Cannot open the Outlook windows. The set of folders cannot be opened. Unsupported folder class (IPF.Contact).”

What are the causes –

The error message comes due to the conflict between the Apple iCloud control panel and windows control panel mail option. It also occurs due to the virus infection and corruption in the Outlook application, corruption in the windows registry, damaged system files, etc.

How to fix Outlook error unsupported folder class

You should have to set the Outlook data file as default file and to complete it you should go through the following manual steps;

  1. Close the entire programs and go to start button.
  2. Go to the control panel and open the mail setup box.
  3. Click on the “show profile option”
  4. Select the Outlook profile and click on properties.
  5. Under mail setup select the profile name box and click on the data files.
  6. Select the outlook data file having .PST extension.
  7. Click on set as default tag at the bottom.
  8. Exit the process and start the Outlook again.

With the help of this manual method you can fix the occurring of “Outlook error unsupported folder class” error message efficiently. But in case if you are not able to fix the error manually then you must use Outlook PST Repair Tool to fix the problem automatically.

Compatible with Outlook 2000, 2002, 2003, 2007, 2010, 2013 and supports Windows 8, 7 (32-bit/64-bit), Vista (32-bit/64-bit ), 2003, XP, 2000, NT4 (SP6).

Outlook PST Repair Tool will solve the entire problem automatically. This tool is specially designed to fix the Outlook errors. With the help of this tool you can also optimize the performance of the Outlook application and repair the corrupt PST files.


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