Deselect all files with extension

`Alt` + `-`

All hotkeys for Total Commander

Navigation Change left drive	`Alt` + `F1`
Navigation Change right drive	`Alt` + `F2`
Navigation Open list of visited directories	`Alt` + `↓`
Navigation Jump to previous directory	`Alt` + `←`
Navigation Jump to next directory	`Alt` + `→`
Navigation Jump to root directory	`Ctrl` + `<`
Navigation Change to parent directory	`⬅ Backspace`
Navigation Switch between left and right file list	`⭾ Tab`
Selections Select current file/folder	`Insert`
Selections Select current file/folder	`Space`
Selections Invert selection	`*`
Selections Restore selection	`/`
Selections Select all	`Ctrl` + `A`
Selections Calculate occupied space of selecte files	`Ctrl` + `L`
Selections Deselect all	`Ctrl` + `-`
Selections Select all files with extension	`Alt` + `+`
Selections Deselect all files with extension	`Alt` + `-`
Archiving Pack files	`Alt` + `F5`
Archiving Move to archive	`Alt` + `↑ Shift` + `F5`
Archiving Unpack from archive under cursor	`Alt` + `F6`
Archiving Test archives	`Alt` + `↑ Shift` + `F9`
File sorting Sort by name	`Ctrl` + `F3`
File sorting Sort by extension	`Ctrl` + `F4`
File sorting Sort by date and time	`Ctrl` + `F5`
File sorting Sort by size	`Ctrl` + `F6`
File sorting Unsorted	`Ctrl` + `F7`
Searching Quick search	`Ctrl` + `S`
Searching Find	`Alt` + `F7`
View Swap left and right view	`Ctrl` + `U`
View Refresh current directort	`F2`
View Refresh current directory	`Ctrl` + `R`
View Show contents of current directory and all subdirectories in one list	`Ctrl` + `B`
View Selected directory branch: Show selected files, and all in selected subdirectories	`Ctrl` + `↑ Shift` + `B`
View Show file properties window	`Alt` + `⤶ Enter`
View Help	`F1`
File manipulation List file contents	`F3`
File manipulation List only file under cursor, when multiple files selected	`↑ Shift` + `F3`
File manipulation Edit files	`F4`
File manipulation Create new text file and load in editor	`↑ Shift` + `F4`
File manipulation Copy file	`F5`
File manipulation Copy file	`Ctrl` + `C`
File manipulation Copy files (with rename) in same directory	`↑ Shift` + `F5`
File manipulation Rename or move files	`F6`
File manipulation Rename files in same directory	`↑ Shift` + `F6`
File manipulation Create directory	`F7`
File manipulation Delete files	`F8`
File manipulation Delete files	`Del`
File manipulation Paste file in current directory	`Ctrl` + `V`
File manipulation Cut file	`Ctrl` + `X`
File manipulation Multi-rename tool	`Ctrl` + `M`