Freefileviewer - Free viewer for PDF, DOC, DOCX, PHP, CFG, DAT etc. files
SysInfo PST File Viewer - Outlook PST File Viewer Tool enable users to open, view or read PST files without requiring Outlook, it scans all the important items of PST such as calendars, contacts, notes, tasks and journal entries etc.
SysTools Exchange EDB Viewer - SysTools Exchange EDB Viewer helps users to preview all emails from Exchange database files .
PDF Reader Pro - PDF Reader Pro is an all-in-one PDF office supporting to Read, Annotate, Edit, OCR, Convert, Create & Fill Form, Sign PDFs, TTS on Mac, iOS, Android, and Windows.
Adobe Reader - Adobe Acrobat Reader is a free tool for viewing documents that have been stored in Adobe's Portable Document Format (PDF).
Stellar OST Viewer - Stellar OST Viewer is a tool that scans even corrupt Outlook OST files and shows the entire email data, such as contacts, calendars, notes, tasks, journals, which were inaccessible previously.