Reasons of MS Outlook PST Corruption:

There are various application and system factors, which may damage the PST file and make it unusable. Some of the most frequent and common causes of MS Outlook PST corruption are as given below:

·     Virus Infection- Viruses are malicious programs, which infect and corrupt your PST file and make it inaccessible. Viruses may enter your system by several means, including Internet, virus infected attachment, and connecting virus infected removable media. You should always  use an updated and advanced anti-virus application to regularly scan your PST file.

·     Oversized PST File- In Microsoft Outlook 2002 and earlier versions, you cannot have a PST file more than 2 GB in size. If it exceeds the 2 GB size limit, it gets damaged and you can not access data from it.

·     Improper Termination of Outlook Application- You should close the Outlook application gracefully after saving all the changes you made to PST file and clicking ‘Exit’ menu item. But, if Outlook shuts down improperly while your PST file is in use, there are strong chances of PST file corruption. Improper termination can be due to operating system crash, power outages, and using ‘End Task’ option from Windows Task Manager.

·     MS Outlook Application Deficiencies- Every application has deficiencies, therefore does MS Outlook. Some of these deficiencies come from short sights of developers. Generally they are expected to be fixed, but can not be fixed simply using patches or fixes.

In order to fix PST file corruption and perform Microsoft Outlook recovery, Outlook has an inbuilt tool, called Inbox Repair Tool. However, this tool has a limitation that it cannot fix PST file corruption, caused by external reasons, like virus infection and improper termination of Outlook application. In such cases, need of Outlook recovery software arises.

The applications are incorporated with powerful and advanced scanning methods to throughly scan entire PST file and extract all inaccessible data from it. The Outlook recovery utilities are totally safe and easy to use.

Stellar Phoenix Outlook PST Repair is the best PST repair software ever made, which works in all PST corruption scenarios. The software is designed particularly for Microsoft Outlook 2007, 2003, 2002, and 2000. It is capable of restoring all PST file objects, including emails, notes, contacts, tasks, journal, and calendar entries.

Consider a scenario wherein you are using Outlook 2003 in your system. When you start Outlook, there are some emails that are to be downloaded. When the emails are downloaded, an error message is displayed, that is:

“File path\filename.pst could not be accessed. Data error. Cyclic redundancy check.” OR Data error (cyclic redundancy check)

In addition, you are not able to view some of the downloaded messages. Also, when you click the Deleted Items folder to view the deleted emails, the following error message is displayed:

“Error 0×80040116”

Cause:

The root cause of this problematic situation is that the PST file that you are using has corrupted.

Resolution:

The resolution to this erroneous situation involves two phases. They are:

· Running chkdsk to find errors on hard disk: You should run chkdsk /f from the command prompt. Then, start Outlook and check if the problem is still there. If the problem persists, then use the next method.

· Recreating the PST file: You should recreate Outlook.pst (its default name) file by using Inbox Repair (Scanpst.exe) tool. This tool repairs the index headers of the PST file.

Outlook will work fine after performing the aforementioned methods. However, in case you are still getting the same error message it means that the PST file has corrupted to a greater extent. For such cases, you should use a third-party MS Outlook recovery software to do the needful. Such Outlook recovery tools are read-only in nature and recover Outlook components using fast yet sophisticated scanning algorithms.

Stellar Phoenix Outlook PST Repair is an MS Outlook recovery software that is able to recover Outlook components from any logical corruption. It restores various Outlook objects such as emails, calendar items, tasks, journals, contacts, etc. In addition, this Microsoft Outlook recovery utility preserves the formatting of RTF and HTML emails. This Outlook recovery software is designed to repair PST files created in Outlook 2010, 2007, 2003, 2002, and 2000. It is compatible with Windows 7, Vista, Server 2003, XP, and 2000.

Reasons of corruption:

There could be various reasons for PST corruption that could either be hardware as well as software reasons. Such reasons are collated for you in the following points:

· Hardware reasons:

◦ Power failure: A power failure may lead to PST corruption as Outlook is exited abruptly.

◦ Data storage device failure: It may be possible that the location where the PST file is stored has bad sectors, which leads to PST corruption.

◦ Faulty networking device: If the PST is on a server computer and you are accessing it from a client computer, then faulty hardware components may cause the PST to get corrupted.

· Software reasons:

◦ Deficiencies in Outlook programs: Some bugs in Outlook may result in PST corruption. For example, the Outlook versions before Outlook 2003 used to get corrupt as soon as their size crossed 2 GB.

◦ Incorrect file system recovery: Sometimes when you recover the file system, it is not recovered properly, which may lead to PST corruption.

◦ Virus or other malicious software: Certain viruses are designed to corrupt the PST files.

◦ Terminate Outlook abruptly: If Outlook is exited abnormally, then there are chances that the PST file may get corrupt.

Resolution:

To resolve the PST file corruption, you should use the in-built Inbox Repair (Scanpst.exe) tool. This tool is able to verify and correct errors in the internal data structures of PST file. However, if you still are not able to repair the corrupted PST file then you should use a third-party Microsoft Outlook recovery software to do the needful for you. Such read-only tools are able to recover Outlook objects without overwriting the original contents.

Stellar Phoenix Outlook PST Repair( http://www.microsoftoutlook-recovery.com ) is an Outlook recovery software that successfully restores corrupted PST files. It supports MS Outlook 2010 (Beta), 2007, 2003, 2002, and 2000. This MS Outlook recovery software is able to recover Outlook objects, such as emails, contacts, calendar entries, journals, tasks, meetings notes, etc. In addition, this tool is able to preserve the formatting of the RTF and HTML messages. It is compatible with Windows 7, Vista, Server 2003, XP, and Server 2000.

“A data file did not close properly the last time it was used and is being checked for problems. Performance might be affected while the check is in progress.”

It is also possible that, you may find Outlook behaves normally, except that you cannot receive or send e-mails.

Cause

The above issue can result if:

· Outlook 2007 tries to access ANSI PST. Outlook 2003 uses the ANSI formatted PST for its IMAP and HTTP accounts, while Outlook 2007 uses Unicode PST for the same accounts.

· Outlook profile or PST is damaged.

Solution

Try the the below solutions to solve the given problem:

· Change the PST file format to Unicode format used by Outlook 2007

· Recreate the corrupted Outlook profile and configure it to use the existing PST. If the issue persists, try the next step

· Repair the corrupted PST using Outlook’s Inbox Repair tool or by using a third-party Outlook Recovery Software, in case Inbox Repair Tool fails. MS Outlook Recovery software provides safe and easy PST recovery with advanced features.

Stellar Phoenix Outlook PST Repair is a complete solution for repairing and restoring corrupted PST to a new PST. Supporting MS Outlook 2007, 2003, 2002, and 2000, this Outlook Recovery Software can restore all file components like, e-mails, notes, contacts, calendar entries, etc.

“Verifying Forwarding Address.”

The above error results everytime you open the BlackBerry Desktop Redirector and won’t allow you to forward the e-mails.

Causes

Some reasons for the above error are:

· An internal e-mail address (the address used by company employees to communicate internally) has been configured to be used by BlackBerry Desktop Redirector. The application cannot process such messages.

· No user account of BlackBerry device is added to BlackBerry Enterprise Server

· E-mails are being flagged as viruses

· A rule is moving e-mails from network@flycatcher.blackberry.net.

· Outlook PST is damaged

Solution

You can implement following solutions:

· Contact your network administrator to get external e-mail address and make sure that the ‘Account field under ‘Redirector Settings of Blackberry Desktop Manager has your external e-mail address typed and ‘Override Address’ check box is selected.

· You should contact your BlackBerry Enterprise Server Administrator for adding your user account with correct personal identification number.

· For disabling virus flags on GFI MailEssentials software, contact your server administrator.

· Delete the problematic rule, if it exists, from ‘Rules Wizard’ of MS Outlook.

· To repair corrupted PST, you can run Outlook’s Inbox Repair Tool (Scanpst.exe). If this fails, you should use a third-party Microsoft Outlook Recovery utility. These applications enable safe and effective MS Outlook Recovery by repairing and restoring corrupted PST to a safe location.

Stellar Phoenix Outlook PST Repair is used to repair PST and create a new PST for restoring its contents safely. Supporting MS Outlook 2007, 2003, 2002, and 2000, this Microsoft Outlook Recovery application provides a three-pane message view. The software can extract all emails, notes, contacts, calendars, etc. from a corrupted PST.

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You run MS Outlook 2007 on a Windows Vista-based computer
You use Windows Update and install Service Pack 2 (SP2)
The next time, when you try to start MS Outlook, it prompts an error message as below:

“Cannot start Microsoft Office Outlook”

The application fails to open the default Outlook profile and data file.

Cause

Some possible causes for this behavior are:

Navigation Pane issues for the current profile
Outlook installation is corrupted
The default Outlook profile and/or PST is damaged

Solution

To solve the above problem, you need to implement these steps:

You need to regenerate the Navigation Pane for Outlook profile. To do so, click Start | Run and type ‘Outlook.exe /resetnavpane’, which clears the existing Navigation Pane and recreate it for the Outlook profile.
If the current Outlook installation is damaged, you should reinstall it.
You can recreate the profile if it is damaged and then attach the existing PST to it. If Outlook still reports the above mentioned error message, your PST might be corrupted. You need to repair it by running Inbox Repair Tool (Scanpst.exe). In case the PST remains damaged, you should restore it from backup or use a PST Recovery utility to repair it.

The third-party Microsoft Outlook Recovery applications are high-end tools designed to repair a corrupted PST and extract the inaccessible file components. The software are easy to install and use.

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You receive an error suggesting that email cannot be imported from MAPI client.
You attempt to import Outlook contacts in Windows contacts but fail
When you click to import, the process hangs with no clue

Cause

Some possible reasons causing this behavior are as follows:

Microsoft Outlook is not installed on the computer on which the PST is stored
You are trying to export Outlook contacts without comma separated values text file to Windows contacts
The Outlook PST you are trying to import is corrupted

Solution

You should try implementing these solutions to import your PST in Windows Mail:

Install Outlook as PST will not work until Outlook is installed
Correct the Outlook contacts’ format
You can try importing PST emails in Windows Mail by first importing them in Outlook Express. You can then import the .dbx file created, directly in Windows Mail
If PST is corrupted, you need to repair it first. To do this, open Scanpst.exe file and double-click to start Inbox Repair Tool. This will initiate the .pst file repair process. If this doesn’t work, you should restore the file from backup.

At times, a suitable backup is not available. To overcome this, you should use a Microsoft Outlook Recovery product to repair and restore the corrupted PST. PST Recovery solutions are high-end tools with rich graphic features and reliable file repair ability.

Stellar Phoenix Outlook PST Repair is an advanced and comprehensive repair tool for corrupted PST created with Outlook 2007, 2003, 2002 and 2000. The instant Microsoft recover outlook tool is competent to restore all Outlook emails, notes, contacts, calendars etc. The tool gives you a 3-pane view for messages.

http://www.microsoftoutlook-recovery.com

Microsoft Office 2010 PSt Repair tool scanpst.exe

How to backup PST file

If you don’t use Microsoft Outlook with MS Exchange Server, it stores all the data in PST file. You can use backup copy of PST file to restore the data if original file experience corruption or gets lost. This is the easiest and safest way to perform recover outlook. Following are the steps, which tell you how to create an effective backup of PST file manually:

1.Close all messaging applications such as MS Outlook, Exchange Server, or MS Windows messaging.
2.Point to Start-> Run. Type (or copy and paste) below command in Open box and press Enter key:
control panel
Control Panel opens.
Note- If you see Pick a category screen, click User Accounts and follow step 3.
3.Double-click Mail icon.
4.Click Show Profiles.
5.Select the appropriate use profile and then select Properties.
6.Click Data Files.
7.Under the Name, click Personal Folder Service, Which you like to backup.
8.Click Settings and note the file path.
9.Close all Properties windows.
10.Use My Computer or Windows Explorer to copy file, which you noted in the step 8. You can copy file on desired location like computer hard drive, CD, DVD, USB drive, network drive or FTP server.

How to import PST file when original file gets corrupted

The backup copy of PST file can be used to easily restore MS Outlook data and carry out Microsoft Outlook Recovery. When you import the PST file, everything that is stored in PST file is returned to Outlook. Follow underwritten steps to import the backup copy of PST file:

1.If backup copy of PST file is stored on any removable media like CD, USB drive, network drive or external hard drive, connect or insert the device and then copy file to your computer hard drive. While copying the file, make sure that Read-Only attribute isn’t selected.
2.Open Microsoft Outlook.
3.In the File Menu, sect Import and Export. If this command is not available, point at the chevrons at bottom of menu and select Import and Export.
4.Select Import from another program of file, and then click Next button.
5.Select Personal Folder File (.pst) and click Next button.
6.Type the path and name of PST file, which you need to import and click Next button.
7.Select folder, which you need to import. For importing everything in PST file, select top of the hierarchy.
8.Click Finish button.

In this way, you can easily restore the backup and access your precious data. But in some situations, when you perform Outlook Recovery using this method, the process might get terminated and you might come across below error message:

“The specified device, file, or path could not be accessed. It may have been deleted, it may be in use, you may be experiencing network problems, or you may not have sufficient permission to access it. Close any application using this file and try again.”

This issue might occur if the backup copy is also damaged. In these cases, it can not be imported and restored. Thus it become essential to repair and restore damaged PST file using third party Outlook Recovery Software. These applications are helpful in most of the PST corruption scenarios.

The Outlook Recovery Software use high-end scanning mechanisms to carry out extensive scan of corrupted PST file and retrieve all of its objects. These tools are quite easy to use as they have interactive and simple graphical user interface. With read-only conduct, the do not alter original data of the file.

Stellar Phoenix Outlook PST Repair is the most advanced and popular software to repair and restore corrupted PST file all corruption scenarios. It supports recovery of PST file created with Microsoft Outlook 2007, 2003, 2002 (XP) and 2000. This software is compatible with Microsoft Windows Vista, 2003, XP, 2000 and NT4 (SP6).

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Microsoft Outlook Recovery – Microsoft Office Outlook uses Personal folder (also called .pst file) to store local copies of email messages, notes, journals, tasks and appointments. When Outlook searches for the file, it looks for its index information to make search results better and instant. However, if PST index is damaged that will make your PST file inaccessible. You will receive some errors that PST cannot be accessed and thus needs to be repaired. If running Inbox Repair Tool doesn’t help in such situations, you will require using PST Repair tools as the effective file repair applications Microsoft Office Outlook uses Personal folder (also called .pst file) to store local copies of email messages, notes, journals, tasks and appointments. When Outlook searches for the file, it looks for its index information to make search results better and instant. However, if PST index is damaged that will make your PST file inaccessible. You will receive some errors that PST cannot be accessed and thus needs to be repaired. If running Inbox Repair Tool doesn’t help in such situations, you will require using PST Repair tools as the effective file repair applications.As an instance, when you try to start Microsoft Office Outlook or open a personal folder (.pst file), you might receive the below error message displaying on screen:

“Outlook.pst can not be accessed – 0×80040116.”

Where, ‘Outlook.pst’ denotes the name of your PST file. As additional symptoms, you might find that when you run Inbox Repair Tool (also known as Scanpst.exe), it doesn’t help and report any errors with the file.

Cause

The possible reason for error 0×80040116 to occur is damage of PST file index. In such situations, MS Outlook cannot access the file.

Solution

As discussed, running Inbox Repair Tool doesn’t cure this problem. So, to overcome such issues, you first need to run 2 GB Truncation Tool and then run Inbox Repair Tool.

1- 2 GB Truncation Tool or Oversized PST and OST Crop Tool is used to create truncated copy of PST file. This tool cuts down the overall PST file size by deleting items of specified size.

To resolve the above issues, you should follow these steps in order:

. Use 2 GB Truncation Tool for your PST file:

1- Download the 2 GB Truncation Tool
2- Create an empty folder and extract 2gb152.exe file from the downloaded tool to it.
3- Click Start->Search->For File and Folders
4- Click Folder Options on Tools menu and switch to View tab
5- In View tab, click Show hidden files and folders and then click and clear Hide extensions for known file types and Hide protected operating system files (Recommended) check boxes. Confirm to the settings. It will allow the hidden PST file to display.
6- Click All files and folders under What do you want to search for? drop-down list
7- Type *.pst in All or part of the file name box and look for the file in your primary drive, usually C:. Click Search
8- You should then note down the PST file path
9- Next, run path\pst2gb.exe -s, where path denotes the path to Pst2gb.exe tool. Click Continue and browse the PST file.
10- Open the PST file
11- Create a new file with different name as of original PST
12- Click Start in Oversized PST Recovery Tool dialog box. After the process is complete, click OK and then Close

• Run Scanpst.exe

1- Click Start->Search and then click All files and folders under What do you want to search for? drop-down list
2- Type scanpst.exe in All or part of the file name box and look for the file in your primary drive, usually C:. Click Search
3- Double-click and open the scanpst.exe file in the list of found files
4- Next, you need to click Browse to locate the new file created using 2 GB Truncation tool
5- Click and open this new .pst file
6- Click Start in Inbox Repair Tool dialog box. This will start the file scanning process.
7- Click Repair after the scanning is complete. This will repair the damaged PST file. Click OK after you receive a particular process complete message on screen.

You should then restart your computer system and open the repaired PST file in Outlook. If the file is free from errors, you need to copy all the information from each of Recovered Personal Folders and paste them to ‘Outlook Today-(Personal Folders)’.

If you still cannot access your PST file because it is corrupted, it is required to use commercial PST Recovery utilities. These are powerful PST Repair applications built with advanced technology to scan and repair a damaged PST file in any set of circumstances. Such PST Recovery software provide you rich set of features, ease of use, graphically rich interface and more.

Stellar Phoenix Outlook PST Repair is the world’s known product to repair and restore corrupted Outlook PST file. The software supports safe PST Repair for Outlook 2007, 2003, 2002 and 2000. It recovers all email items and other Outlook items, such as journals, notes, tasks, appointments etc. This non-destructive PST Recovery application is compatible with Windows Vista, XP, 2003, 2000 and NT. The software is also competent to recover lost PST password and split a PST file.