DRS OST Viewer is a freeware online software that can help users to perform hassle-free processes. Using this software, you can read, view or open an OST file and its associated data items including emails, contacts, attachments, calendars, drafts, etc. Using its different recovery modes, you can scan minor as well as highly corrupted OST files. The preview option facility is available to view the OST files in the preview pane of the software. The tool doesn't require the MS Outlook application in the machine to run this software. Furthermore, it also has an advanced file search feature that helps users to find the location of the OST file. The OST Viewer Tool is embedded with a simple and easy-to-use interface that helps novice users to operate the software with ease. The software has a capability to repair and open corrupted as well as healthy OST files. It supports ANSI and UNICODE characters. You can evaluate the working of the software by downloading it from its official website and perform hassle-free process.