Article ID: 143241
This article was previously published under Q143241
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The password protection for Microsoft personal information store (PST) files provides only limited security. Adopting certain practices can increase this security. Utilities that can remove or bypass the password on a PST have been posted on the Internet. None of these utilities are endorsed or supported by Microsoft.
Limiting physical access to a PST file increases the security of the data. Anyone who has physical access to a PST file and has one of these utilities can remove or bypass the PST password. These utilities will remove or bypass the PST password even for PSTs created with the Compressible Encryption and Best Encryption options.
In order to protect sensitive e-mail against unauthorized access, consider the following practices:
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