Solution To Resolve Unable to Expand the Folder in Outlook 2010

Microsoft Outlook is one of best application which is used by all of then like business as well as professional users. It is mainly preferred by most of them because of their amazing features and functions. It is easy to manage large variety of data in it . Where all information of Microsoft Outlook application is stored in .PST file format. This file has its own importance hen using this application for accessing and storing data. Sometimes this features fails and it is not possible for users to access any of data and get with error message 'unable to expand folder in Outlook 2010'. It is really irritating and panic situation for users and which need to be resolved.

Due to damage and corruption in Personal storage file it is not possible to access any of data, Whenever users try to access .PST file format data it get with error message. Some of common message that users face is :


  • xxx.PST file which trying to access does not exists
  • Unable to detect folder named with it
  • Unknown error
  • Cyclic redundancy check error
  • Unable to expand folder

    Though this corruption generally happens because of getting affected with virus or malware, missing of files because of improper installation, suddenly closing of application, power failure. These are such things which is responsible for this circumstances. In order to get rid from such situation it required to resolve error and problem.

    Manual steps to resolve error and problem:

    • On mailbox items right click on it, then go to properties
    • In permission tab ,just make folder visible and press OK
    • On tools menu move to options
    • In delegates tab press add
    • In delegates mailbox tree , on shared mailbox make double click


      Even after performing above steps if it not possible to fix error then it is best to use PST repair software. This is one of best application with which it is possible to make complete scanning of system and make complete recovery of data.