〜ないまでも

Meaning

States "even if it doesn't reach that point, at least to this extent." Presents a high standard while proposing a lower level as the minimum line.

Examples

毎日とは言わないまでも、週に一度は運動したい。 I may not manage every day, but I want to exercise at least once a week.
完璧とはいかないまでも、人前で話せる程度には上達した。 It may not be perfect, but I have improved enough to speak in public.
手伝えないまでも、せめて応援くらいはさせてほしい。 Even if I cannot help directly, at least let me cheer you on.