Category Archives: Email Migration

How to Fix the Error “Unable to Expand the Folder” in MS Outlook?

MS Outlook creates a mailbox which holds all the attachments and emails in various folders. To store mailbox data there are two types of files used on your local drive – Offline Storage Table (OST) file and other is Personal Storage Table (PST) file. You should use OST file to configure Outlook in offline mode. In OST file, all the offline work is store and synced with Exchange Server when it is connected to the internet.

Sometimes, it shows the following synchronization error –


Unable to expand the folder. There are errors in xxxx.ost file. The folders couldn’t be opened. Quit all the mailbox applications and use Inbox Repair tool.


If you get this type of error, there must be a problem in your OST file and it couldn’t get synced properly with Exchange Server. Some of the common reasons of OST file corruption are –

  • Exchange Server crash
  • Virus attack in OST file
  • Exchange Server Database Corruption
  • Mailbox deleted from Exchange Server


How to Fix?

As discussed in the error message, quit all the applications which might be using OST file.

  • Retrieve the repaired items.
  • Repair OST file by running scanpst.exe (Inbox Repair Tool).
  • Find OST file


In some cases, Inbox Repair Tool doesn’t repair OST file because this tool is not sufficient in complex scenarios of corruption in OST file. If it is not working, it is better to use OST Recovery tool for OST to PST file conversion. These tools can convert the files even in severe cases of OST corruption and recover all the OST file components, such as emails, contacts, attachments, notes, tasks, calendar entries, etc. After getting converted PST file, it can be saved to any storage media or disk and open it with Outlook directly.


Good thing about this software is that, you can use Free trial version. Free trial version will show you all the recoverable emails in preview items, where you can check your desire emails. And allow you to save some emails in Free version.

FREE Download and TRY:   Munual Guide to Repair OST file

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Step by step Guide to Convert Windows Live Mail (EML) to PST File Manually

I am here to discussing about migrating emails from Windows Live Email (EML) to Outlook PST platform.  EML file format is supported by many email clients such as Windows Live Mail, Apple Mail, Mozilla Thunderbird and Outlook Express. To migrate this EML file to Outlook PST file which is supported by MS Outlook Email client. You can open PST file in Outlook and can access all of your emails.

Before starting the migration process I would recommend you to take the backup of EML to other place. By copying EML file and Paste it other place.

Follow the step by step instruction to convert Windows Live Mail to PST File

Step 1: Open Windows Live Mail client application on your system. Also, open Microsoft Outlook at the same time.

Step 2: Now click File tab > Export email > Email messages.


Step 3: On the Windows Live Mail Export wizard, select the format you want to export email to: Microsoft Exchange. Click Next to continue the process.


Step 4: A message will be appeared on your screen before the exporting process. Click OK to confirm it.


Step 5: Now select the mailbox folders you want to export to MS Outlook. Either you can select all folders or select a particular folder to export. Click OK to continue the process.


Step 6: The exporting process is being conducted on your system. Please wait until it gets successfully completed.


Step 7: Within a few seconds, the exporting process will be completed. Click Finish.


These above mansion steps will surely help you to convert Windows Live Mail (eml)to PST file. Sometimes it will take some times and some times user are unable to understand the instruction. For these types of user can access the third party application to convert EML to PST files. For access this application no technical skill is require. You can convert EML to PST file in just few clicks. User can use the Free trial version of this application to see the preview of all Converted Emails.    images


Note: Before performing any action I would again suggest you to take the backup of EML file.

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