diff --git a/Cargo.lock b/Cargo.lock
index 7bcbe4339..9f1beb697 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1776,7 +1776,9 @@ name = "craft-rtf"
 version = "0.1.0"
 dependencies = [
  "craft-codepage",
+ "craft-mime",
  "encoding_rs",
+ "proptest",
 ]
 
 [[package]]
@@ -2003,6 +2005,7 @@ dependencies = [
 name = "craft-webp"
 version = "0.1.0"
 dependencies = [
+ "craft-video",
  "image",
  "thiserror 2.0.21",
 ]
diff --git a/crates/rtf/Cargo.toml b/crates/rtf/Cargo.toml
index 59f139917..ecff5a2fe 100644
--- a/crates/rtf/Cargo.toml
+++ b/crates/rtf/Cargo.toml
@@ -10,7 +10,17 @@ repository.workspace = true
 [lints]
 workspace = true
 
+[features]
+# `outlook`: compressed RTF ([MS-OXRTFCP]) and the text or encapsulated HTML ([MS-OXRTFEX]) of a
+# mail item's body.
+outlook = ["dep:craft-mime"]
+
 [dependencies]
 craft-codepage = { workspace = true }
+# Character sets by Windows code page number, for the `outlook` module.
+craft-mime = { workspace = true, optional = true }
 # The East Asian multibyte code pages (932, 936, 949, 950).
 encoding_rs = { workspace = true }
+
+[dev-dependencies]
+proptest = { workspace = true }
diff --git a/crates/webp/Cargo.toml b/crates/webp/Cargo.toml
index 5a0901a3a..c5f7364b6 100644
--- a/crates/webp/Cargo.toml
+++ b/crates/webp/Cargo.toml
@@ -13,10 +13,13 @@ workspace = true
 [features]
 # Decoding every frame through the `image` crate's WebP decoder, with bounded memory.
 frames = ["dep:image"]
+# Lossy animations from RGBA frames through craft-video's VP8 key-frame encoder.
+vp8 = ["dep:craft-video"]
 
 [dependencies]
 thiserror = { workspace = true }
 image = { version = "0.25", default-features = false, features = ["webp"], optional = true }
+craft-video = { workspace = true, optional = true, features = ["vp8-encode"] }
 
 [dev-dependencies]
 # Decodes the files the writer makes and writes still test files; not a product dependency.