Hi there! I’m receiving this message everytime I tried to open my file or the backup file. The file isn’t that large, I have other files 5 times more larges that I operate with no problem. Can someone help me?
I uploaded the file in a WeTransfer link: WeTransfer - Send Large Files & Share Photos Online - Up to 2GB Free
It doesn’t depend on the file size, there are some reasons that can cause a file to get corrupted, it’s known that working on a file from an external device or the cloud has a high probability to get your file corrupted. I’m not on my PC right now, maybe @colin can check if your file can be recovered.
Some of the file is filled with zeros, I can’t recover anything from it. Can I try the SKB file as well?
Sure!
Unfortunately, that one is the same.
So there’s really nothing I can do? 
Omg, been working on this for weeks and out of nothing this happens 
Any tips so it can’t happen again?
One thing you can do is publish your models to Trimble Connect, and update that published model. Then you get a history feature, of each version of the model that you published.
Or, come up with a regular computer way of having backups. On my Mac I have a back up for every hour in the last day, and every day in the last month. If a file did get corrupted I can go back an hour at a time until I find a version that was ok. I think that Windows has a History feature that does a similar thing.