diff --git a/ATTRIBUTION.json b/ATTRIBUTION.json
index 52bd022..cf801fb 100644
--- a/ATTRIBUTION.json
+++ b/ATTRIBUTION.json
@@ -31,5 +31,16 @@
     "tags": ["vng-ibd", "vng"],
     "donated": "2026-02-17",
     "notes": "Scraped from their website"
+  },
+  {
+    "format": "docx",
+    "path": "documents/docx/docspec/*.docx",
+    "title": "DocSpec DOCX Test Suite",
+    "author": "DocSpec",
+    "license": "CC-BY-NC-SA-4.0",
+    "source": "https://github.com/docspec/documents",
+    "tags": ["docspec"],
+    "donated": "2026-02-17",
+    "notes": "Test fixtures originating from NLdoc"
   }
 ]
diff --git a/ATTRIBUTION.md b/ATTRIBUTION.md
index ba458e7..b0b69e6 100644
--- a/ATTRIBUTION.md
+++ b/ATTRIBUTION.md
@@ -43,3 +43,16 @@ This file tracks all donated documents, their authors, licenses, and sources.
 - **Donated**: 2026-02-17
 - **Notes**: Scraped from their website
 
+---
+
+## DocSpec DOCX Test Suite
+
+- **Format**: `docx`
+- **Path**: `documents/docx/docspec/*.docx`
+- **Author**: DocSpec
+- **License**: CC-BY-NC-SA-4.0
+- **Source**: https://github.com/docspec/documents
+- **Tags**: `docspec`
+- **Donated**: 2026-02-17
+- **Notes**: Test fixtures originating from NLdoc
+
diff --git a/documents/docx/docspec/all-content-types.docx b/documents/docx/docspec/all-content-types.docx
new file mode 100644
index 0000000..23ab3a8
--- /dev/null
+++ b/documents/docx/docspec/all-content-types.docx
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9b44047295179c2e6aa0bd34e0f29f4f0fc9197a2784f98a6f305f4e5df37241
+size 15888
diff --git a/documents/docx/docspec/custom-heading-name-style.docx b/documents/docx/docspec/custom-heading-name-style.docx
new file mode 100644
index 0000000..2bb27c9
--- /dev/null
+++ b/documents/docx/docspec/custom-heading-name-style.docx
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6a366666cdcd649ed9c1b7153cf2961aaa4cb551f6c62f8e4cac3354d4652c59
+size 12399
diff --git a/documents/docx/docspec/html-code.docx b/documents/docx/docspec/html-code.docx
new file mode 100644
index 0000000..2f29611
--- /dev/null
+++ b/documents/docx/docspec/html-code.docx
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5f317f51214d13c3e186e132601e888dc7373124ba07843621fb3e05c5c44de9
+size 14112
diff --git a/documents/docx/docspec/html-preformatted.docx b/documents/docx/docspec/html-preformatted.docx
new file mode 100644
index 0000000..d97b612
--- /dev/null
+++ b/documents/docx/docspec/html-preformatted.docx
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:92c1d98859af7c427e3e8f172a6f30b013531d8905010d43a53357cfd30d625d
+size 14161
diff --git a/documents/docx/docspec/html-sample.docx b/documents/docx/docspec/html-sample.docx
new file mode 100644
index 0000000..686aebb
--- /dev/null
+++ b/documents/docx/docspec/html-sample.docx
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:68b4d38757a6dd090c95c17f2db5ab786f4d6209234a01d4c39c5cd0ffa0c368
+size 13991
diff --git a/documents/docx/docspec/manual-colors.docx b/documents/docx/docspec/manual-colors.docx
new file mode 100644
index 0000000..ec3bbe8
--- /dev/null
+++ b/documents/docx/docspec/manual-colors.docx
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c395237a014b5c5e273137dd6f9dc5a347047b61affec4970c770ae8d7282d4b
+size 6774
diff --git a/documents/docx/docspec/merged-cells.docx b/documents/docx/docspec/merged-cells.docx
new file mode 100644
index 0000000..e4d7e66
--- /dev/null
+++ b/documents/docx/docspec/merged-cells.docx
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9c78ec2d58a6362d88f5cc859073d523372de832496a415e03f1b78f76faa404
+size 7128
diff --git a/documents/docx/docspec/missing-list-levels.docx b/documents/docx/docspec/missing-list-levels.docx
new file mode 100644
index 0000000..5606ad7
--- /dev/null
+++ b/documents/docx/docspec/missing-list-levels.docx
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7c3f932d6456f8a10f7ce3268b56ec3e2019a11c918eabebaaedc638f8f71390
+size 13252
diff --git a/documents/docx/docspec/nested-following-lists.docx b/documents/docx/docspec/nested-following-lists.docx
new file mode 100644
index 0000000..76fcefe
--- /dev/null
+++ b/documents/docx/docspec/nested-following-lists.docx
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2314acc2831e9db7feb0721bc2a1ffb4bf742197e0e7d1740d44fffb21436d50
+size 14346
diff --git a/documents/docx/docspec/plain-text.docx b/documents/docx/docspec/plain-text.docx
new file mode 100644
index 0000000..c31aec4
--- /dev/null
+++ b/documents/docx/docspec/plain-text.docx
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e06257274076c6e8f43367f74d13cf6680666f067f98ef8427f9763bb4ccc53a
+size 14166
diff --git a/documents/docx/docspec/preformatted-and-definitions.docx b/documents/docx/docspec/preformatted-and-definitions.docx
new file mode 100644
index 0000000..fca311c
--- /dev/null
+++ b/documents/docx/docspec/preformatted-and-definitions.docx
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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+size 14604
diff --git a/documents/docx/docspec/text-align.docx b/documents/docx/docspec/text-align.docx
new file mode 100644
index 0000000..f15c254
--- /dev/null
+++ b/documents/docx/docspec/text-align.docx
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:699e8cff2d872198e2e923b1fbde4a6de0e4553c85a2781da8e0a24483ac9df7
+size 6656