How to Retrieve OST and PST File?

“I have formatted primary drive while reinstalling Windows operating system. As a result of formatting, entire data from it got erased. I have backup of all the files except OST and PST as I was not aware of the procedure to back it up. Please someone let me know the way to recover OST and PST file from my Windows computer. Thanks in advance”

MS Outlook is very helpful for user to carry out their daily tasks. It is widely used email app around the world which incorporates email messages, appointments, tasks, attachments, Notes, contacts, to do list and scheduling. This Outlook provides features such as instant email searching, scheduling and categorizing appointments and so on. However, Outlook is also prone to deletion or loss of OST and PST files. Usually losing up of files occurs due to logical conflicts or some human errors on system. Few common reasons for deletion or loss of Outlook OST and PST file are listed below:

  • PST and OST file gets deleted from computer due to accidental deletion using Shift + Delete keys combination
  • Virus attack on system hard drive can delete OST and PST file along with other files present in it
  • Reformatting hard drive without taking backup may erase all files along with OST and PST file
  • Inappropriate method of upgrading MS Outlook from one version to another can lead to loss of OST and PST file

Getting back those lost or erased OST and PST files in Windows operating system is not a tricky task as long as you have file recovery software installed on your Windows computer

Software to recover OST and PST:

Yodot File Recovery is a recommended utility to retrieve lost or erase OST and PST files on Windows system. Along with PST and OST file recovery, it supports OpenOffice Document recovery, full folder recovery, flash drive erased file recovery, PFX file recovery, large file recovery, etc. This app can rescue files from flash drive, memory card, SSD, external hard drive, FireWire drives and many other devices on system. It can also rescue documents, basic media files, RAR files, PPT files, Excel sheets and so on with ease. The best feature of this tool is that, it does not alter the structure of original file during the recovery process. This program also restores folders from storage device formatted with NTFS, NTFS5, FAT16, ExFAT, FAT32 and ReFS file systems. This utility is compatible on Windows XP, Windows 8.1, Windows Vista, Windows 7, Windows 8, Windows Server 2003 and Windows Server 2008 operating system.

Procedure to restore OST and PST file:

  • Download and install Recover erased files tool on your desktop
  • Run the tool and follow the guidelines on screen
  • Make use of 'Deleted File Recovery' option to restore deleted OST and PST file or use 'Lost File Recovery' option to bring back lost OST and PST file
  • The tool scans and displays all drives present on Windows system
  • Choose the partition from which you have to recover OST and PST file and hit on 'Next' button
  • Now the software scans the entire drive and shows lost or erased OST and PST files from it
  • View recovered files in two different views that is 'Data View' and 'File Type View' which eases your search
  • Mark desired file from the list provided, which you want to retrieve back
  • Finally browse for destination location to save restored OST and PST file, but not on the same location
  • This utility allows you to store those recovered files to any external storage devices like flash drive, portable hard drive, etc.

Points to be noted:

  • Always make sure that your desktop is installed with best anti-virus software
  • Do regular back up of important OST and PST files on external storage devices
  • Avoid improper method to terminate MS Outlook application
  • Stop using your system immediately after data loss to avoid over writing

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