diff --git a/src/plugin.rs b/src/plugin.rs
index dcb67061..c8555b49 100644
--- a/src/plugin.rs
+++ b/src/plugin.rs
@@ -121,11 +121,40 @@ pub trait Plugin: Default + Send + Sync + 'static {
 pub trait Vst3Plugin: Plugin {
     /// The unique class ID that identifies this particular plugin. You can use the
     /// `*b"fooofooofooofooo"` syntax for this.
+    ///
+    /// This will be shuffled into a different byte order on Windows for project-compatibility.
     const VST3_CLASS_ID: [u8; 16];
     /// One or more categories, separated by pipe characters (`|`), up to 127 characters. Anything
     /// logner than that will be truncated. See the VST3 SDK for examples of common categories:
     /// <https://github.com/steinbergmedia/vst3_pluginterfaces/blob/2ad397ade5b51007860bedb3b01b8afd2c5f6fba/vst/ivstaudioprocessor.h#L49-L90>
     const VST3_CATEGORIES: &'static str;
+
+    /// [Self::VST3_CLASS_ID] in the correct order for the current platform so projects and presets
+    /// can be shared between platforms. This should not be overridden.
+    const PLATFORM_VST3_CLASS_ID: [u8; 16] = swap_vst3_uid_byte_order(Self::VST3_CLASS_ID);
+}
+
+#[cfg(not(target_os = "windows"))]
+const fn swap_vst3_uid_byte_order(uid: [u8; 16]) -> [u8; 16] {
+    uid
+}
+
+#[cfg(target_os = "windows")]
+const fn swap_vst3_uid_byte_order(mut uid: [u8; 16]) -> [u8; 16] {
+    // No mutable references in const functions, so we can't use `uid.swap()`
+    let original_uid = uid;
+
+    uid[0] = original_uid[3];
+    uid[1] = original_uid[2];
+    uid[2] = original_uid[1];
+    uid[3] = original_uid[0];
+
+    uid[4] = original_uid[5];
+    uid[5] = original_uid[4];
+    uid[6] = original_uid[7];
+    uid[7] = original_uid[6];
+
+    uid
 }
 
 /// An editor for a [Plugin].
diff --git a/src/wrapper/vst3/factory.rs b/src/wrapper/vst3/factory.rs
index 101bc068..26f1dc0d 100644
--- a/src/wrapper/vst3/factory.rs
+++ b/src/wrapper/vst3/factory.rs
@@ -72,7 +72,7 @@ impl<P: Vst3Plugin> IPluginFactory for Factory<P> {
         *info = mem::zeroed();
 
         let info = &mut *info;
-        info.cid.data = P::VST3_CLASS_ID;
+        info.cid.data = P::PLATFORM_VST3_CLASS_ID;
         info.cardinality = vst3_sys::base::ClassCardinality::kManyInstances as i32;
         strlcpy(&mut info.category, "Audio Module Class");
         strlcpy(&mut info.name, P::NAME);
@@ -88,7 +88,7 @@ impl<P: Vst3Plugin> IPluginFactory for Factory<P> {
     ) -> tresult {
         check_null_ptr!(cid, obj);
 
-        if (*cid).data != P::VST3_CLASS_ID {
+        if (*cid).data != P::PLATFORM_VST3_CLASS_ID {
             return kNoInterface;
         }
 
@@ -111,7 +111,7 @@ impl<P: Vst3Plugin> IPluginFactory2 for Factory<P> {
         *info = mem::zeroed();
 
         let info = &mut *info;
-        info.cid.data = P::VST3_CLASS_ID;
+        info.cid.data = P::PLATFORM_VST3_CLASS_ID;
         info.cardinality = vst3_sys::base::ClassCardinality::kManyInstances as i32;
         strlcpy(&mut info.category, "Audio Module Class");
         strlcpy(&mut info.name, P::NAME);
@@ -138,7 +138,7 @@ impl<P: Vst3Plugin> IPluginFactory3 for Factory<P> {
         *info = mem::zeroed();
 
         let info = &mut *info;
-        info.cid.data = P::VST3_CLASS_ID;
+        info.cid.data = P::PLATFORM_VST3_CLASS_ID;
         info.cardinality = vst3_sys::base::ClassCardinality::kManyInstances as i32;
         strlcpy(&mut info.category, "Audio Module Class");
         u16strlcpy(&mut info.name, P::NAME);