free OST Viewer

Free Outlook

OST Viewer 4.2

Get Instant Preview of OST File and Data Items

  • Promptly access and Open OST File
  • Quick & Advance Scan mode to deal with Corrupted OST File
  • Recover Deleted Items from OST File & renders them
  • Serve up OST file Items to view: Emails, Attachments, Contacts, Calendars, etc.
  • No need to have connectivity with Exchange Server to View Outlook OST
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Read OST file profoundly


Fast and Quick Installtion


Know, why we are best

OST Viewer » Know about software's capabilities

A Complete Insight

view numerous OST files

View Multiple OST Files

Free OST viewer allows users to open multiple OST files at once. After opening offline data file, tool also shows preview of distinct properties of OST emails like from, received, to, sent etc.

repair corrupted pst

Quick-Fix for Corrupt OST

When OST file is in corruption mode, users’ needs to recover it first in order to view its content. OST viewer software offers scanning in 2 distinct modes i.e. Quick Scan and Advance Scan.

recover deleted OST items

Recover Deleted OST Items

With OST viewer software, you can also preview permanently deleted emails, as the tool is capable enough to restore them back without losing any vital information contained in it.

preview Outlook OST items

Preview Outlook OST Items

With free OST viewer, you can preview different items of OST file like emails, tasks, journals, contacts, etc. It also gives various view options (Hex, MIME, RTF, Header, etc.) to view emails.

don't need connectivity with exchange

Exchange/Outlook Not Required

Connectivity with Exchange server or MS Outlook is not required in order to view OST file. If you want to open or read content of OST email, then what all you need is OST viewer utility.

Windows compatibile

Switch Screen View Type

Software usually previews OST file items in Horizontal view as its default view type. But you can also change the view type to Vertical view according to your requirement.


July 2016
Outlook OST Viewer 4.2 Updated!

March 2016
Outlook OST Viewer 4.0 Updated!

October 2015
Outlook OST Viewer 3.5 Updated!

June 2015
Outlook OST Viewer 3.0 Released!