From first to last
Definition 1 of 1

Complete Involvement
Use it to stress someone's or something's complete involvement, without missing any part.

The director was committed to the film's success from first to last.
Time Span
Implies a process or event with a clear beginning and end point.

The biography chronicled his life from first to last.
Narrative Sequence
Often used to describe following a story or sequence of events without skipping parts.

I read the entire series from first to last during summer break.
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