ES File Explorer has sadly transformed into adware towards the end of the 2010s, and doesn't look much different from hundreds of other file managers in the app repositories that came into existence over the years (possibly including clones); but in the earlier 2010s, **no other file manager came functionally close to ES File Explorer.** It's massive feature range already included: * Built-in FTP support * SMB * Text editor on board * Media player on board * Gallery browser on board * ZIP creator/browser/extractor on board. * Drag and drop support * Screen corner shortcuts * File range selection * Bulk renaming * Home screen shortcuts for files and folders * Many widgets * Disk usage analyzer * Grid view / list view (and ability to adjust size) * Ability to open file with selected app * Gesture shortcuts * Search files by date * File hash sum generator * Background file tasks (moving/copying **while** browsing; progress shown as push notification.) * Multi-*tabbed* view * and more! This was truly fabulous in the early 2010s. Astro File Manager came somewhat close (they also has built-in support for several cloud services), but ES was still second to none. There was also *RhythmSoft File Manager HD*, which I also liked a lot. That had a lot of functionality too. The most popular **open source** file manager was *OI File Manager*. As far as I can remember, **B1 File Manager** suppoerted many archive format's, but the creators of WinRAR also made their own Android version of it that supported the extraction of many formats, including *ISO*. (I would not create archives in RAR, because although versatile, it is a proprietary format.)