--- title: SysTools OST Viewer Reviews meta\_title: 'SysTools OST Viewer Reviews 2026: Details, Pricing, & Features | G2' meta\_description: Filter reviews by the users' company size, role or industry to find out how SysTools OST Viewer works for a business like yours. aggregate\_rating: rating\_value: 4.0 review\_count: 2 scale: '5' date\_modified: '2025-10-31' parent\_category: name: Collaboration & Productivity url: https://www.g2.com/categories/collaboration-productivity --- # SysTools OST Viewer Reviews & Product Details SysTools OST Viewer tool allows a user to open multiple OST files with attachments. OST file opener generates an instant Preview multiple OST mailbox emails with attributes as From, Subject, To, Sent, Received Date and Size in bytes. OST file reader has an inbuilt attachment preview panel which preview OST file's attachments of any type like images, docs, files, etc. View OST file items such as emails, contacts, calendars, tasks, etc. * * * Seller [SysTools Software](https://www.g2.com/sellers/systools-software) Discussions [SysTools OST Viewer Community](https://www.g2.com/products/systools-ost-viewer/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/systools-ost-viewer/competitors/alternatives) AK Anushka K. Private Tutor Fine Art Small-Business (50 or fewer emp.) 1/30/2019 "SysTools OST Viewer Freeware " 4.5/5 What do you like best about SysTools OST Viewer? I like best Standalone Tool to View Offline OST File with Attachments Review collected by and hosted on G2.com. What do you dislike about SysTools OST Viewer? I dislike nothing Because i realy like this software and use so simple Review collected by and hosted on G2.com. What problems is SysTools OST Viewer solving and how is that benefiting you? Preview Emails, Contacts, Calendars, Tasks, Notes, Journals I viewd mosty email Review collected by and hosted on G2.com. Show More Validated ReviewerSource: Seller invite ![Keith C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Keith C.") KC Keith C. Financial Analyst Financial Services Small-Business (50 or fewer emp.) 10/30/2018 "A Helpful Tool" 3.5/5 What do you like best about SysTools OST Viewer? SysTools OST Viewer is a great tool used in the IT departments that assist many different aspects of my company Review collected by and hosted on G2.com. What do you dislike about SysTools OST Viewer? I wish that this program was a little more user friendly Review collected by and hosted on G2.com. What problems is SysTools OST Viewer solving and how is that benefiting you? My company uses this tool in order to solve complex problems within our IT department such as coding and or system errors. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ### There are not enough reviews of SysTools OST Viewer for G2 to provide buying insight. 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