This happens because file system disaster can interfere with PST files, resulting in permanently lost or overwritten PST files. If you have tried file system recovery in the wrong way, your files may get corrupt.

File System Recovery: If done incorrectly or at a wrong time, file system recovery can cause a real issue.

Malicious Software: Any malicious software installed or downloaded to your machine can lead to corruption of PST file data as well.

PST File Corruption due to Software Reasons At the time of sudden power failure, if the PST file is open, it can become corrupt.

Sudden Power Failure: Unexpected power failure can cause PST file corruption.

Situations like network failure or network breakdown might corrupt the PST file. But, what if network server or devices that connect to the server encounters an issue? The saved PST file will become inaccessible to the user.

Network Issues: It is a practice these days to keep or save important data on a network server.

When the local machine’s hard drive has bad sectors, PST files saved on it gets corrupted easily.

Bad Sectors on Hard Drive: It is a common error.

PST File Corruption due to Hardware Reasons There are many reasons for PST file corruption. PST files are prone to errors and corruption.

Method 1: Repair with Inbox Repair Tool.

Here are some free PST repair tools that are recommended by experts.PST File Corruption due to Software Reasons.PST File Corruption due to Hardware Reasons.

Online outlook pst repair tool