In your case it would be better to use professional recovery software. Tool below would be effective for recovering .pst file. Software helps you to restore corrupted emails up to 16TB in size.
backup
Outlook 2003 .pst file is not compatible with previous versions of Outlook like 2002, 2002 etc. It can not be directly opened in previous versions of Outlook. To open an Outlook 2003 .pst backup file into 2002, make a new .pst file into 97-2002 format and then import all the data from backup .pst file into this file. Now you can open the .pst file into Outlook 2002. regards Jane
To backup and restore a database, as you would do for any computer file, depends on the operating system and the database used.
Backup and Restore Center in the Control Panel.
Select File > Open & Export > Import/Export. Select Export to a file, and then select Next. Select Outlook Data File (.pst), and select Next. Select the mail folder you want to back up and select Next. Choose a location and name for your backup file, and then select Finish. If you want to ensure no one has access to your files, enter and confirm a pass_word, and then select OK. Greetings, Peter
To restore a Tally backup from a Notepad file format, first, ensure the backup file is properly formatted for Tally. Open Tally and navigate to the "Gateway of Tally," then select "Import Data" followed by "Masters" or "Transactions" based on your needs. Browse to the location of the Notepad file, select it, and follow the prompts to complete the import. Finally, verify the data in Tally to ensure it has been restored correctly.
Restore the missing or corrupt file from backup.
Losing a QuickBooks data file can be a nightmare, but there are several ways to recover it, especially if the file was stored on your hard drive. Here’s a step-by-step guide to help you recover your lost QuickBooks data file: Check for Backup Copies Automatic QuickBooks Backup: QuickBooks automatically creates backup copies of your company file. These files have a .QBB extension and are usually stored in the backup folder on your computer. Location: Typically found in C:\Users\YourUsername\Documents\QuickBooks\Backups. If you have a backup, you can restore it easily: Open QuickBooks. Go to File > Open or Restore Company > Restore a Backup Copy. Choose Local Backup, browse to the backup file, and restore it. Manual Backup: If you’ve manually backed up your QuickBooks data, locate your .QBB backup file and restore it using the same method. Phone: +1.888-368-8874
There are three well-known methods for backup in MS-Outlook.1.) Archiving: User can create a backup for their Outlook PST File using Archiving option.2.) Exporting: This option helps you to export and create backups of MS-Outlook data file to another drive on the computer.3.) Personal Folder Backup Tool: This tool is a free tool provided by Microsoft Outlook to the Outlook user for creating a backup in simple steps.All the above three options are effective and useful in the creation of backup, but Personal Folder Backup Tool can save lots of your time in this process.
The files which store the copy of your original data are called backup files. In windows backup files are created by NTbackup utility and windows backup and restore utilities. These backup files have .bkf file extension.
If you have a backup of the file. restore it. Otherwise, you'll probably just have to delete it.
You can easily create backup of Microsoft Outlook thing by using these two features in Outlook. First one is "Archiving" and another is "Export".Let's try these two options:Archiving:Open "MS Outlook" >> "File" Tab >> "Cleanup Tools">> "Archive" >> Select "Archive this folder and subfolders" >> "Browse" Location >> Click "Ok".Export:Open "MS Outlook" >> "File" Tab >> "Open" >> "Import" >> "Export to a File" >> Comma separated value (Windows) >> "Select Folder" >> "Browse Location" >> "Click Finish".For more Outlook tips please visit : "MS Outlook Tools"