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Outlook 2010: Protect Archive.PST With Password

Outlook 2010 provides password protection on Outlook Data Files, you can protect any PST, OST and Archive.pst file which contains important Outlook items, such as, mails, calendar items, tasks, notes, contacts. This post covers how to protect Archive.pst file.

To protect Archive.pst (containing old mail, calendar items) with password, from main navigation pane, right-click Archives and select Data File properties.


It will bring up Archives Properties dialog, click Advanced to bring up Outlook Data File dialog, click Change Password.


Now enter pass-phrase to protect the Archive.pst. On launching Outlook it will prompt you to enter password for accessing Archive folder.


  1. Great tools.. I found a related software that recovers inaccessible ost file components by converting them to pst file it converts all ost file compoents to pst fiel and that pst fiel can directly be accessed with outlook… You ca get more knowledge of this toll at http://www.ostconversiontopst.blogspot.com

  2. Hi,

    I found a Smart OST Conversion Software of SysTools Company online. It is an right solution to protect Exchange OST Archive database, Encrypted OST database recover quickly and Convert OST to PST file successfully with all deleted mailbox and other folders accurately

    Download Free SysTools OST Converter Tool: http://www.convert-ost.com

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