# Transform .crt to .cer file

This is a short reminder to go from one to another format in windows.  
  
1\. Locate your crt file  
2\. double click it, it should open the details of the certificate

  
  
[![image.png](/uploads/images/gallery/2024-10/scaled-1680-/wFOimage.png)](/uploads/images/gallery/2024-10/wFOimage.png)

3\. Go to details, and "Copy to File..." a dialog will prompt which format to generate and where to store it

[![image.png](/uploads/images/gallery/2024-10/scaled-1680-/FLOimage.png)](/uploads/images/gallery/2024-10/FLOimage.png)