How to resolve Outlook cannot expand the folder error in 2007/2010/2013

Outlook is a very important application that plays a very vital role in your day to day life if you belong to a corporate organization. This application will help you to manage all your email at a single platform. It also helps you to manage the journals, calendars, notes, events, etc very efficiently. But sometimes when you try to open an offline folder then you may get Outlook cannot expand the folder error in 2007/2010/2013. Due to the corrupt or oversized PST or OST files your computer will get this error code. So it is very important to fix this issue as soon as possible with the help of some manual or automatic way of troubleshooting. You can use Outlook PST Repair Tool to fix this 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 –

Main symptom of the Outlook cannot expand the folder error in 2007/2010/2013 is the prompting of the error message usually as;

“Unable to expand the folder. The set of folders could not be opened. Errors could have been detected in the file xxxx.ost. Quit all mail-enabled applications, and then use the Inbox Repair Tool.”

Causes –

When the OST file or PST files get damaged and Outlook cannot be able to process these then you may get this error message. You can also have this error due to incomplete installation of Outlook, Outdated version of Outlook, virus infection, corrupt windows registry, etc.

How to fix Outlook cannot expand the folder error in 2007/2010/2013

  1. Quit the MS Outlook.
  2. Find the PST or OST file that causes error prompting.
  3. Recover the offline data manually.
  4. Backup the original PST or OST file.
  5. Rename the file.
  6. Restart the Outlook.

With the help of the above manual method you will be able to fix the error efficiently. But in case if you cannot be able to fix it manually then you must use Outlook PST Repair Tool to fix it 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 is the most recommended tool that you can use to fix the entire Outlook errors automatically. You can use this tool to fix the errors in the corrupt PST and OST files. With the help of this tool you can optimize the performance of the tool very much.


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