--- 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 & Product Details 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. * * * Seller [Data Recovery Freeware](https://www.g2.com/sellers/data-recovery-freeware) Discussions [OST Viewer Freeware Community](https://www.g2.com/products/ost-viewer-freeware/discuss) Show More ## Top-Rated Alternatives [ ![Adobe Acrobat Reader](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Adobe Acrobat Reader") Adobe Acrobat Reader 4.5/5(1,766) ](https://www.g2.com/products/adobe-acrobat-reader/reviews) [ ![FineReader PDF for Windows and Mac](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "FineReader PDF for Windows and Mac") FineReader PDF for Windows and Mac 4.5/5(294) ](https://www.g2.com/products/finereader-pdf-for-windows-and-mac/reviews) [ ![Adobe Reader Mobile](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Adobe Reader Mobile") Adobe Reader Mobile 4.5/5(273) ](https://www.g2.com/products/adobe-reader-mobile/reviews) [ View All Alternatives ](https://www.g2.com/products/ost-viewer-freeware/competitors/alternatives) ![Arun G.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Arun G.") AG Arun G. D Mid-Market (51-1000 emp.) 10/8/2021 "Great way to open ost files without outlook" 4.5/5 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. Review collected by and hosted on G2.com. 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. Review collected by and hosted on G2.com. What problems is OST Viewer Freeware solving and how is that benefiting you? Viewing OST files without outlook. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerIncentivizedSource: G2 invite ### There are not enough reviews of OST Viewer Freeware for G2 to provide buying insight. Below are some alternatives with more reviews: [ 1 ![Adobe Acrobat Reader Logo](https://images.g2crowd.com/uploads/product/hd_favicon/325c8a2984f01a66681f42d5c7480dda/adobe-acrobat-reader.svg "Adobe Acrobat Reader Logo") Adobe Acrobat Reader 4.5 (1,766) The free global standard for reliably viewing, printing, and commenting on PDF documents ](https://www.g2.com/products/adobe-acrobat-reader/reviews "Adobe Acrobat Reader")[ 2 ![FineReader PDF for Windows and Mac Logo](https://images.g2crowd.com/uploads/product/hd_favicon/f80e2e5fcf84ca5b8d386f67760715fa/finereader-pdf-for-windows-and-mac.svg "FineReader PDF for Windows and Mac Logo") FineReader PDF for Windows and Mac 4.5 (294) FineReader is an all-in-one OCR and PDF software application designed to increase business productivity. It provides easy-to-use tools to access and modify information locked in paper-based documents and PDFs. ](https://www.g2.com/products/finereader-pdf-for-windows-and-mac/reviews "FineReader PDF for Windows and Mac")[ 3 ![Adobe Reader Mobile Logo](https://images.g2crowd.com/uploads/product/hd_favicon/325c8a2984f01a66681f42d5c7480dda/adobe-reader-mobile.svg "Adobe Reader Mobile Logo") Adobe Reader Mobile 4.5 (273) Adobe Acrobat Reader Mobile is a free, trusted application that enables users to view, annotate, sign, and share PDF documents directly from their mobile devices. Designed for both Android and iOS platforms, it offers a comprehensive suite of tools to manage PDFs efficiently while on the go. Key Features and Functionality: - PDF Viewing and Annotation: Easily open and read PDFs, with options to highlight text, add comments, and draw directly on documents. - Form Filling and Signing: Fill out PDF forms and sign documents electronically using your finger or stylus, streamlining paperwork processes. - Document Scanning: Utilize the built-in scanning feature to capture physical documents and convert them into high-quality PDFs. - Liquid Mode: Enhance readability on mobile devices by reflowing text and adjusting layout for a more comfortable reading experience. - Cloud Integration: Access and store files across various cloud services, ensuring your documents are available whenever needed. Primary Value and User Solutions: Adobe Acrobat Reader Mobile addresses the need for a versatile and reliable PDF management tool for mobile users. It simplifies document handling by allowing users to read, annotate, sign, and share PDFs without the need for a desktop computer. The app's integration with cloud services ensures seamless access to documents across devices, enhancing productivity for professionals and individuals alike. Features like Liquid Mode improve the reading experience on smaller screens, making it easier to consume content on the go. Overall, Adobe Acrobat Reader Mobile empowers users to manage their PDF documents efficiently, anytime and anywhere. ](https://www.g2.com/products/adobe-reader-mobile/reviews "Adobe Reader Mobile")[ 4 ![KDAN PDF Logo](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_7a54402e9d62ceec78aa5c2e4b77f1c2/kdan-pdf.png "KDAN PDF Logo") KDAN PDF 4.5 (184) KDAN PDF Reader is a document productivity solution that supports a wide range of document functions for your business and daily life. The Kdan PDF Reader series enables you to view, store, and manage various document file formats, including iWorks, MS Office, text, images, audio, and video files. ](https://www.g2.com/products/kdan-pdf/reviews "KDAN PDF")[ 5 ![Foxit PDF Reader Logo](https://images.g2crowd.com/uploads/product/hd_favicon/946dc923c008dc305012393148dccb15/foxit-pdf-reader.svg "Foxit PDF Reader Logo") Foxit PDF Reader 4.6 (172) Foxit PDF Reader is the PDF Reader which enables you to become part of the connected world. Provide authors with comments on documents, be notified when new document versions become available, discuss interesting topics right in the document, or securely open protected documents. ](https://www.g2.com/products/foxit-pdf-reader/reviews "Foxit PDF Reader")[ 6 ![Print Conductor Logo](https://images.g2crowd.com/uploads/product/hd_favicon/9d1db8692c881436ecf073494260a577/print-conductor.svg "Print Conductor Logo") Print Conductor 4.8 (54) Print Conductor print management software is free for non-commercial use. Print Conductor allows you to monitor and easily manage your print jobs through intuitive features and interface icons. It links a printer and the machines that demand print jobs. ](https://www.g2.com/products/print-conductor/reviews "Print Conductor")[ 7 ![PDF Reader Pro Logo](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_386debdc6c48db778e56941c4db08c73/pdf-reader-pro.png "PDF Reader Pro Logo") PDF Reader Pro 4.4 (32) PDF Reader Pro is a PDF powerhouse, helping to annotate, fill forms, edit pages, encrypt files on Mac, iPad, iPhone, Android and Windows. ](https://www.g2.com/products/pdf-reader-pro/reviews "PDF Reader Pro")[ 8 ![FreeFileViewer Logo](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_5a7f0d6021c09ac425c4ca447dc7b1d7/freefileviewer.png "FreeFileViewer Logo") FreeFileViewer 4.0 (22) FreeFileViewer is a, all-in-one file viewer designed for Windows operating systems, supporting over 200 file formats. It enables users to open and view a wide array of documents, images, videos, and audio files without the need for multiple specialized software installations. This lightweight application is compatible with Windows 10, 8, 7, Vista, and XP, accommodating both 32-bit and 64-bit versions. Key Features and Functionality: - Extensive Format Support: FreeFileViewer can handle a diverse range of file types, including: - Documents: DOC, DOCX, PDF, TXT, XLS, XLSX - Images: JPG, PNG, GIF, PSD - Videos: FLV, MP4, MOV, MPG - Audio Files: FLAC, MP3, OGG, WMA - Others: BIN, CFG, DAT, DIZ - Standalone Operation: The software functions independently, allowing users to view files without requiring the original programs used to create them. For instance, it can display Adobe PDF files and Microsoft Office documents without needing Adobe Reader or Microsoft Office installed. - User-Friendly Interface: Designed with simplicity in mind, FreeFileViewer offers an intuitive interface that facilitates easy navigation and file access. - Comprehensive Installation: All necessary components are included within the installer, ensuring a seamless setup process without the need for additional software or plugins. Primary Value and User Solutions: FreeFileViewer addresses the common challenge of managing multiple file types by providing a unified solution that eliminates the need for numerous specialized applications. Users can effortlessly open and view a vast array of file formats, streamlining their workflow and enhancing productivity. This all-encompassing approach not only saves time but also conserves system resources, making it an ideal choice for individuals seeking a reliable and efficient file viewing tool. ](https://www.g2.com/products/freefileviewer/reviews "FreeFileViewer")[ 9 ![File Viewer Plus Logo](https://images.g2crowd.com/uploads/product/hd_favicon/1d96a63cc2139555fc07df6041bbcc25/file-viewer-plus.svg "File Viewer Plus Logo") File Viewer Plus 4.6 (14) File Viewer Plus is an essential utility for business. Don't clutter your users' computers with expensive software. Open hundreds of file formats with one easy-to-use app. ](https://www.g2.com/products/file-viewer-plus/reviews "File Viewer Plus")[ 10 ![File Viewer Lite Logo](https://images.g2crowd.com/uploads/product/hd_favicon/cb730eb423441daaa232223425be3751/file-viewer-lite.svg "File Viewer Lite Logo") File Viewer Lite 4.1 (13) File Viewer Lite is a FREE Windows utility that allows you to view any file. It can display the native view of over 150 of the most popular file formats, such as word processing files, spreadsheets, PDFs, audio, and video files. ](https://www.g2.com/products/file-viewer-lite/reviews "File Viewer Lite") [Show More](#) ## Questions about OST Viewer Freeware? Ask real users or explore answers from the community Get practical answers, real workflows, and honest pros and cons from the G2 community or share your insights. [ Ask about OST Viewer Freeware ](https://www.g2.com/products/ost-viewer-freeware/discussions/new) GU Guest User What is OST Viewer Freeware used for? 0 Upvotes 0 [ Join the conversation ](https://www.g2.com/discussions/what-is-ost-viewer-freeware-used-for) [ View all Discussions ](https://www.g2.com/products/ost-viewer-freeware/discuss) ##### Pricing Pricing details for this product isn’t currently available. Visit the vendor’s website to learn more. 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