Selecting

The active sequence strip is displayed with a light outline. The entire strip could be selected by clicking LMB in the middle of the strip.

Select Menu

The Select Menu helps you select strips in different ways.

All A
Selects all the strips in the timeline.
None Alt-A
Deselects all the strips in the timeline.
Invert Ctrl-I
Inverts the current selection.
Box Select B
Click and drag a rectangular lasso around a region of strips in your Sequence workspace. Selects strips all intersecting this rectangle.
Playhead
Select strips laying left or right to playhead position.
Handle

Select left, right or both handles of selected strips.

Nota

Select with this method when you want to change the timing of a cut.

Channel
Select strips in the same channel laying left or right to active strip.
Linked
All Ctrl-L / Less Ctrl-NumpadMinus / More Ctrl-NumpadPlus
Selects strips, that are placed next to each other without any gaps.
Select Grouped Shift-G

Selects strips according to their relation with other strips.

Type
Selects any strips of the same type within a category for example, if you have a cross strip selected this will select all other effect strips.
Global Type
Selects any strips of the same type, e.g. Effect, Image, Movie, etc.
Effect Type
Selects all effect strips.
Data
Selects strips that share the same data, for example, two image strips sharing the same image file.
Effect
Selects the strip that shares an effect strip.
Effect/Linked
Selects the effect strips, if any, linked to the currently selected strip.
Overlap
Selects any strips that occur on the same frame as the current.