Expand Columns: Windows Techniques
Need to see text hidden behind a column list?
Hover your mouse cursor over the column header's right edge.
The mouse cursor will change shape to a move/directional cursor ().
Normally one would left mouse click-hold and drag (expand) the column to the right.
Instead, try a double left mouse click.
The column will automatically expand to the end of the longest line of text.
Expand a column in Windows Explorer Details view (before):
After: