How Do I Import Blend Files

So i have my blend .zip file and im just wondering how do i import it to playcanvas cuz i uploaded it in there and tried to switch it with square but it didnt really work so can someone pls tell me how to work this???

Please refer to the manual of file types that PlayCanvas supports https://developer.playcanvas.com/en/user-manual/assets/#type

Then follow these steps to import https://developer.playcanvas.com/en/user-manual/assets/importing/#in-the-editor