Run Outlook Repair Tool

[guest]

To run the Inbox Repair Tool, follow these steps:
Exit Outlook.
Make sure that the Show hidden files and folders option is enabled in your folder options. The Scanpst.exe is a hidden file on your computer, and you might be unable to locate it if this setting is not enabled. To check this setting, follow these steps:
a. Click Start, and then click Run.

Note If you are using Windows Vista, use the Start Search box.
Type Control Folders, and then click OK.

Note If you are using Windows Vista, right-click Control Folders, and then click Run as administrator.
If you are using Windows Vista, double-click Folder Options.
Click the View tab.
Under Hidden files and folders, make sure the Show hidden files and folders option is selected, and then click OK.
Click Start, and then click Find or Search, depending on which version of Windows that you are running.
In the search box, type Scanpst.exe. If you cannot find the Scanpst.exe file by using Find or Search, try to locate the file manually. Check the following locations for the file. Where the file is located depends on which version of Windows you are using:
disk drive:\Program Files\Microsoft Office\OFFICE12
disk drive:\Program Files\Common Files\System\Mapi\1033\
disk drive:\Program Files\Common Files\System\Mapi\1033\NT
disk drive:\Program Files\Common Files\System\MSMAPI\1033
disk drive:\Program Files(x86)\Microsoft Office\Office12
disk drive:\Program Files(x86)\Common Files\System\Mapi\1033\
disk drive:\Program Files(x86)\Common Files\System\MSMAPI\1033
Double-click the Scanpst.exe file to open the program.
Click Browse to locate the .pst file.
Windows 98 or Windows Me: disk drive\Windows\ Local Settings\Application Data
Windows NT 4.0: disk drive\WINNT\Profiles\username\Local Settings\Application Data
Windows XP or Windows Server 2003: disk drive:\Documents and Settings\username\Local Settings\Application Data\Microsoft\Outlook
Windows Vista: disk disk drive:\users\username\AppData\Local\Microsoft\Outlook
Note If your operating system is not listed or if you cannot find the file, see the Help provided with Outlook.
Click Start. The Inbox Repair Tool scans the file and reports whether it found any errors.
Click OK.
After you run the Inbox Repair Tool and restart Outlook, you should see a list of recovered folders in the left navigation pane in Outlook. The next step is to move the recovered items to a new Personal Folders (.pst) file in your profile. To do this, go to "Step 2: Recover the repaired items."

[guest]

Just type Scanpst.exe in the Start and run it. Here are quoted from Microsoft:

Inbox Repair tool (scanpst.exe)

Scanpst.exe is installed on your computer when you install Microsoft Outlook 2010. The Inbox Repair tool tries to correct any problems by resetting the data file structure and rebuilding the headers for Outlook items. If you are using an Exchange account, the tool does not connect to or analyze the data saved on the Exchange server.

Important You must exit Outlook before using the Inbox Repair tool. It is not accessible within Outlook.

Open Windows Explorer and select the drive:\Program Files\Microsoft Office\OFFICE14 folder.
Double-click Scanpst.exe.
In the Enter the name of the file you want to scan box, enter the name of the .pst or .ost file that you want to check, or click Browse to select the file.
To specify the scan log options, click Options, and then click the option that you want.
Click Start.
If errors are found, you are prompted to start the repair process to fix the errors.

A backup file is created during the repair process. To change the default name or location of this backup file, in the Enter name of backup file box, enter a new name, or click Browse to select the file that you want to use.

Click Repair.
Start Outlook with the profile that contains the .pst file that you tried to repair.
In the Navigation Pane, click Folder List.

Keyboard shortcut To open switch to the Folder List, press CTRL+6.

In the Folder List, you might see a folder named Recovered Personal Folders that contains your default Outlook folders or a Lost and Found folder. The recovered folders are usually empty, because this is a rebuilt .pst file. The Lost and Found folder contains the folders and items recovered by the Inbox Repair tool.

You can create an Outlook Data File (.pst), and drag the items in the Lost and Found folder into the new data file. When you have finished moving all the items, you can remove the Recovered Personal Folders (.pst) file, including the Lost and Found folder, from your profile.

Notes

If you are able to open the original Outlook Data File (.pst), you may be able to recover additional items from your damaged .pst file. By default, the Inbox Repair tool creates a file with the same name, but with the file extension of .bak. The .bak file is located in the same folder as your original .pst file. You may be able to recover items from the .bak file that the Inbox Repair tool could not recover. Make a copy of the .bak file, and give the file a new name with a .pst extension, such as bak.pst. Import the bak.pst file, and then move any additional recovered items to the new .pst file that you created.
A copy of the log file is saved to the same folder as the .pst file.