Clicking on the file list column header sorts the column. Also hot keys can be used Alt+Digit.
To sort several columns keep Ctrl or Shift:
In dropdown lists on headers (or in header context menu):
•Change size or date format
•Add or delete columns
•Show, delete, adjust tops of sizes or dates
•Go to the file with required type or to the latest file
•To filter by type, size or date
•Quickly change sort settings
•Change showing delimiters in lists
•Turn on showing short file name (in DOS-format)
•Control various ways for setting column widths:
Width can be controlled from the Ribbon "View".
Column width can be changed with mouse. Double click on delimiter between column headers automatically adjusts widths.