I am new here
I will be very thanful if you could help me with my file.
I just recovered my deleted project file but sketchup warning message keep telling me
“Unepected file format.”
I tried renaming file name and file format .skp->skb.-skp.
The file is either corrupted or then you are trying to open it with an older version of SketchUp than what was used to create it.
Version of sketchup is fine.
The model in corrupted file must be existing because i can see it in file thumbnail.
Share the model. In some cases the SketchUp Team members can help.