I was working on SketchUp free trial and around the last day of the trial, I opened one of the files I was working on, it’s called 3DModel.skp and found that half of the work I did was gone even though I am sure I saved it several times. The backup files also show the one half of the work. Any suggestions on how to get it back?
Some users have had their files entirely corrupted by internet connection problems when working with cloud-saved files. At least that’s not your situation.
You might check out the In Model components collection. There are a lot of unused components in there and maybe some of them are ones you need?
Here’s the result of purging unused stuff. If the stuff is really unneeded you should purge the file. This reduced the file size by almost 42%.
I also fixed the incorrect tag usage in your model.
I guess since you’re using the trial version this model is just for evaluating SketchUp. Maybe it would be a good idea to save the file into your local drive and work on it more there. That’ll help you get around the issue of hangups in the Save process.