This outputs all file system entries (file and directory names) with last modification date newer (greater than) or equal August 13 th, 2021. Some examples for a better understanding: forfiles /D The specification of a date in international date format yyyy-MM-dd results on my PC in the error message:

Year with century with four digits like 2022.

A dot is the separator between month and year.A dot is the separator between day in month and month.'+' is taken as default sign if not specified. A valid 'dd' number of days can be any number in the range of 0 - 32768.

Selects files with a last modified date greater than or equal to (+), or less than or equal to (-), the specified date using the 'dd.MM.yyyy' format or selects files with a last modified date greater than or equal to (+) the current date plus 'dd' days, or less than or equal to (-) the current date minus 'dd' days. The execution of forfiles /? in a command prompt window to show the usage help results on Windows with language English US, but with region/country/format German (Austria) configured for the user account, for option /D in the output:

Windows 10 how to find files by date