---
title: OST Viewer Freeware Reviews
meta_title: 'OST Viewer Freeware Reviews 2026: Details, Pricing, & Features | G2'
meta_description: Filter reviews by the users' company size, role or industry to find
  out how OST Viewer Freeware works for a business like yours.
aggregate_rating:
  rating_value: 4.5
  review_count: 1
  scale: '5'
date_modified: '2026-07-12'
parent_category:
  name: Collaboration & Productivity
  url: https://www.g2.com/categories/collaboration-productivity
---


# OST Viewer Freeware Reviews
**Vendor:** Data Recovery Freeware  
**Category:** [File Reader Software](https://www.g2.com/categories/file-reader)  
**Average Rating:** 4.5/5.0  
**Total Reviews:** 1
## About OST Viewer Freeware
OST File Viewer is the best tool to open, view, and read corrupt OST files without using Outlook. OST Viewer allows you to view all the contents of the damaged OST files like schedules, calendars, contacts, etc. You can also export your OST file contents in HTML and TXT file formats. It also gives you an option to open and view the OST files that are heavily encrypted or compressed.




## OST Viewer Freeware Reviews
  ### 1. Great way to open ost files without outlook

**Rating:** 4.5/5.0 stars

**Reviewed by:** Arun G. | D, Mid-Market (51-1000 emp.)

**Reviewed Date:** October 08, 2021

**What do you like best about OST Viewer Freeware?**

1. It is manily freeware except one feature of saving data in the ost file in other formats.
2. It is very easy to install and use.
3. It is possible to see all emails and attachments.
4. It is quick to scan and display the email items.

**What do you dislike about OST Viewer Freeware?**

The only thing I did not like is that the reading pane of the emails is by default very lowered. The user has to expand it to see the email.

**What problems is OST Viewer Freeware solving and how is that benefiting you?**

Viewing OST files without outlook.


## OST Viewer Freeware Discussions
  - [What is OST Viewer Freeware used for?](https://www.g2.com/discussions/what-is-ost-viewer-freeware-used-for)

- [View OST Viewer Freeware pricing details and edition comparison](https://www.g2.com/products/ost-viewer-freeware/reviews?open_modal_url=%2Fproducts%2Fost-viewer-freeware%2Fwishlists%3Fhost_path%3D%252Fproducts%252Fost-viewer-freeware%252Freviews%26source%3Dsticky_header_pin&section=pricing&secure%5Bexpires_at%5D=2026-08-10+20%3A55%3A01+-0500&secure%5Bsession_id%5D=a46c89dd-c308-4f17-8adb-36d701e399e7&secure%5Btoken%5D=d994ea5e2ead896063cdc4e6d6658368726aa3cee2029c632a4120d7ed5e13e0&format=llm_user)

## OST Viewer Freeware Features
**Additional Functionality**
- Third-Party Integrations
- To-Do List
- @mentions
- Single Sign On
- File Management
- Activity Dashboard
- Drag & Drop
- Alerts/Notifications
- Prioritization
- Access Controls/Permissions
- Screen Sharing
- Content Management
- Brainstorming
- AI Copilot
- File Transfer
- Calendar Management
- Status Tracking
- Real-Time Notifications
- Version Control
- Task Management
- Activity Tracking
- Real Time Editing
- Communication Management
- Chat/Messaging
- Tagging
- Generative AI
- Assignment Management
- Task Scheduling
- Project Management
- Collaboration Tools
- Workflow Management
- Secure Data Storage
- File Sharing
- Document Storage
- Task Progress Tracking
- Discussions/Forums
- Commenting/Notes
- Reporting & Statistics
- Contact Management
- Video Conferencing
- Progress Tracking
- Mobile Access
- API
- Document Management
- Customizable Branding

**Format**
- File Type
- Conversion
- Batch Conversion

**Edit**
- Edit
- Annotate
- Inspection

**Data**
- Export
- Metadata
- Protect

**Operating System**
- PC Operating System
- Mac Operating System
- Linux Operating System

## Top OST Viewer Freeware Alternatives
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