diff --git a/electron-builder.yml b/electron-builder.yml
index 102d9649b..e984b2096 100644
--- a/electron-builder.yml
+++ b/electron-builder.yml
@@ -21,164 +21,13 @@ mac:
         - arm64
   notarize:
     teamId: 92H8YB3B95
-  extendInfo:
-    - CFBundleDocumentTypes:
-      - LSItemContentTypes:
-          - dev.zoo.kcl
-        CFBundleTypeName: KCL
-        CFBundleTypeRole: Editor
-        LSTypeIsPackage: false
-        LSHandlerRank: Owner
-      - LSItemContentTypes:
-          - dev.zoo.toml
-        CFBundleTypeName: TOML
-        CFBundleTypeRole: Editor
-        LSTypeIsPackage: false
-        LSHandlerRank: Default
-      - LSItemContentTypes:
-          - dev.zoo.gltf
-        CFBundleTypeName: glTF
-        CFBundleTypeRole: Editor
-        LSTypeIsPackage: false
-        LSHandlerRank: Default
-      - LSItemContentTypes:
-          - dev.zoo.glb
-        CFBundleTypeName: glb
-        CFBundleTypeRole: Editor
-        LSTypeIsPackage: false
-        LSHandlerRank: Default
-      - LSItemContentTypes:
-          - dev.zoo.step
-        CFBundleTypeName: STEP
-        CFBundleTypeRole: Editor
-        LSTypeIsPackage: false
-        LSHandlerRank: Default
-      - LSItemContentTypes:
-          - dev.zoo.fbx
-        CFBundleTypeName: FBX
-        CFBundleTypeRole: Editor
-        LSTypeIsPackage: false
-        LSHandlerRank: Default
-      - LSItemContentTypes:
-          - dev.zoo.sldprt
-        CFBundleTypeName: Solidworks Part
-        CFBundleTypeRole: Viewer
-        LSTypeIsPackage: false
-        LSHandlerRank: Default
-      - LSItemContentTypes:
-          - public.geometry-definition-format
-        CFBundleTypeName: OBJ
-        CFBundleTypeRole: Editor
-        LSTypeIsPackage: false
-        LSHandlerRank: Default
-      - LSItemContentTypes:
-          - public.polygon-file-format
-        CFBundleTypeName: PLY
-        CFBundleTypeRole: Editor
-        LSTypeIsPackage: false
-        LSHandlerRank: Default
-      - LSItemContentTypes:
-          - public.standard-tesselated-geometry-format
-        CFBundleTypeName: STL
-        CFBundleTypeRole: Editor
-        LSTypeIsPackage: false
-        LSHandlerRank: Default
-      - LSItemContentTypes:
-          - public.folder
-        CFBundleTypeName: Folders
-        CFBundleTypeRole: Viewer
-        LSHandlerRank: Alternate
-
-    - UTExportedTypeDeclarations:
-      - UTTypeIdentifier: dev.zoo.kcl
-        UTTypeReferenceURL: https://zoo.dev/docs/kcl
-        UTTypeConformsTo:
-          - public.source-code
-          - public.data
-          - public.text
-          - public.plain-text
-          - public.3d-content
-          - public.script
-        UTTypeDescription: KCL (KittyCAD Language) document
-        UTTypeTagSpecification:
-          public.filename-extension:
-            - kcl
-          public.mime-type:
-            - text/vnd.zoo.kcl
-      - UTTypeIdentifier: dev.zoo.gltf
-        UTTypeReferenceURL: https://registry.khronos.org/glTF/specs/2.0/glTF-2.0.html
-        UTTypeConformsTo:
-          - public.data
-          - public.text
-          - public.plain-text
-          - public.3d-content
-          - public.json
-        UTTypeDescription: Graphics Library Transmission Format (glTF)
-        UTTypeTagSpecification:
-          public.filename-extension:
-            - gltf
-          public.mime-type:
-            - model/gltf+json
-      - UTTypeIdentifier: dev.zoo.glb
-        UTTypeReferenceURL: https://registry.khronos.org/glTF/specs/2.0/glTF-2.0.html
-        UTTypeConformsTo:
-          - public.data
-          - public.3d-content
-        UTTypeDescription: Graphics Library Transmission Format (glTF) binary
-        UTTypeTagSpecification:
-          public.filename-extension:
-            - glb
-          public.mime-type:
-            - model/gltf-binary
-      - UTTypeIdentifier: dev.zoo.step
-        UTTypeReferenceURL: https://www.loc.gov/preservation/digital/formats/fdd/fdd000448.shtml
-        UTTypeConformsTo:
-          - public.data
-          - public.3d-content
-          - public.text
-          - public.plain-text
-        UTTypeDescription: STEP-file, ISO 10303-21
-        UTTypeTagSpecification:
-          public.filename-extension:
-            - step
-            - stp
-          public.mime-type:
-            - model/step
-      - UTTypeIdentifier: dev.zoo.sldprt
-        UTTypeReferenceURL: https://docs.fileformat.com/cad/sldprt/
-        UTTypeConformsTo:
-          - public.data
-          - public.3d-content
-        UTTypeDescription: Solidworks Part
-        UTTypeTagSpecification:
-          public.filename-extension:
-            - sldprt
-          public.mime-type:
-            - model/vnd.solidworks.sldprt
-      - UTTypeIdentifier: dev.zoo.fbx
-        UTTypeReferenceURL: https://en.wikipedia.org/wiki/FBX
-        UTTypeConformsTo:
-          - public.data
-          - public.3d-content
-        UTTypeDescription: Autodesk Filmbox (FBX) format
-        UTTypeTagSpecification:
-          public.filename-extension:
-            - fbx
-            - fbxb
-          public.mime-type:
-            - model/vnd.autodesk.fbx
-      - UTTypeIdentifier: dev.zoo.toml
-        UTTypeReferenceURL: https://toml.io/en/
-        UTTypeConformsTo:
-          - public.data
-          - public.text
-          - public.plain-text
-        UTTypeDescription: Tom's Obvious Minimal Language
-        UTTypeTagSpecification:
-          public.filename-extension:
-            - kcl
-          public.mime-type:
-            - text/toml
+  fileAssociations:
+    - ext: kcl
+      name: kcl
+      mimeType: text/vnd.zoo.kcl
+      description: Zoo KCL File
+      role: Editor
+      rank: Owner
 
 win:
   artifactName: "${productName}-${version}-${arch}-${os}.${ext}"
@@ -201,7 +50,6 @@ win:
       name: kcl
       mimeType: text/vnd.zoo.kcl
       description: Zoo KCL File
-      icon: "assets/icon.ico"
       role: Editor
 
 msi:
@@ -227,7 +75,6 @@ linux:
       name: kcl
       mimeType: text/vnd.zoo.kcl
       description: Zoo KCL File
-      icon: "assets/icon.ico"
       role: Editor
 
 publish: