PST Repair Tool Features

Repair Outlook PST

You can easily repair, recover and split your PST file through Repair Outlook PST software. This is Three in one software to provide you the easy and efficient PST repair and recovery instantly. With lot of awards and positive response, you can download the software now.

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Split PST File

With the same Outlook PST Repair software you can easily split your Large size PST file over 2 GB. The software helps you to get rid of your larger PST file (2 GB ) problem and at the same time helps you to repair your corrupted PST files. Also Recover Your PST Password.

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PST Password Recovery

Apart from corrupted and damaged PST file repair and recovery, and also spliting large PST file you can also recover your lost PST Password using outlook pst repair software. With easy to use and efficient interfacce this software is popular in market.

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Resolving ‘an extension failed to initialize can’t open extend.dat’ error

Outlook is one of the advanced email program and does serve several other functionalities viz. that of contact manager, manages calendar & schedules, notes & task records etc and many alike. With time new versions came up & were all advanced with enhancement in features making it more reliable & secure. Yet, issues do occur & the fact cannot be denied, this may be out of problems that arise in application after considerable time of use, error due to improper operation & others.


So, in an instance as such users of Microsoft Outlook email program may observe the following error message on screen when outlook loads or you try to open new mails –


An extension failed to initialize. Can't open file: extend.dat. The file may not exist, you may not have permission to open it, or it may be open in another program . “


The error is found to be most disturbing for users and would not allow you access emails from personal folder PST files till the appropriate solution for the error is implemented.


As reported in the error message this very issue takes place due to problems with outlook application files, without which application may not load or get its essential task done. This is why the ‘can t open file extend.dat' error is required to be fixed at the earliest.


How to fix error ‘an extension failed to initialize extend.dat'?

Before proceeding with steps to fix the very error, Microsoft outlook should be closed.

  • Thereafter from ‘My computer' options select ‘explore'
  • From the ‘Tools' menu go to ‘folder options, now click ‘view' tab and select the ‘show hidden files & folder' option press OK.
  • In ‘Documents & settings' folder, select the user corresponding folder
  • After that, open ‘local settings' folder and ‘application data' folder -> folder ‘Microsoft -> outlook folder. Here locate ‘extend.dat file and rename it to extend.old
  • Reopen Outlook and a new extend.dat file will be created by the application that fixes the error taking place

For situations the issue remains unresolved, outlook has to be reinstalled so that new files replaces the damaged & corrupt one. Following this Inbox repair tool, scanpst.exe or the Outlook PST repair tool used for scanning & fixing the corrupt PST file.




User Guide : How To Use Outlook Repair Software


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