How to back up my imovie project, clips are too large

Hi Jeff - welcome to the forum!
1. Because it is only one clip, and there is apparently no editing done which needs saving, why not just leave it on DV tape as an archive? There seems little to be gained by archiving to DVDs.
2. I assume the original was actually done in a series of 'takes' rather than one continuous recording? In which case it could have been imported to iMovie as a series of clips by ticking the 'start a new clip at each scene break' box in Preferences. Then you could have divided the iMovie into two parts (Share Selected Clips Only).

However - best advice would be to buy a large capacity external hard drive (formatted for Mac).

Hi Jeff,

the cat gave you all hints needed, just to add my c€nts:
tape is better then dvd-rs! I mentioned my experiment here often: place a dvd-r in bright sunlight for ~5min - all data gone, nirvana, wooshaway.... mini-DV is much more robust compared to that.

to backup data larger then 4.4GB you should think of socalled "data spanning", tools as Toast7 are able to do so, it will chop bigger files into smaller parts, will ask for more dvd-rs and is able to recover such files back into one single one...

best practice is indeed a second drive, which offers as a sideeffect best convenience => instant access to data from within iM.... 🙂

Hi Karsten - great to "hear your voice again"! There must have been more than 1400 boxes to unpack. Love that logo too.
Cheers!