Freefileviewer - Free viewer for PDF, DOC, DOCX, PHP, CFG, DAT etc. files
SysTools Exchange EDB Viewer - SysTools Exchange EDB Viewer helps users to preview all emails from Exchange database files .
Ubiquitous Player - Portable music player, image viewer, file manager, and more.
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.
FE File Explorer - The one-stop files solution
SysTools PST Viewer - PST Viewer Freeware tool to open, read & view PST files without Outlook 2019, 2016, 2013, 2010, 2007.