diff --git a/src/documents/models.py b/src/documents/models.py
index a71edf0f6..32c82b2e7 100644
--- a/src/documents/models.py
+++ b/src/documents/models.py
@@ -197,9 +197,16 @@ class Document(models.Model):
     TYPE_ODS = "ods"
     TYPE_ODT = "odt"
     TYPE_ODP = "odp"
+    TYPE_XLS = "xls"
+    TYPE_XLSX = "xlsx"
+    TYPE_DOC = "doc"
+    TYPE_DOCX = "docx"
+    TYPE_PPT = "ppt"
+    TYPE_PPTX = "pptx"
     TYPES = (TYPE_PDF, TYPE_PNG, TYPE_JPG, TYPE_GIF, TYPE_TIF,
              TYPE_TXT, TYPE_CSV, TYPE_MD, TYPE_ODS, TYPE_ODT,
-             TYPE_ODP)
+             TYPE_ODP, TYPE_XLS, TYPE_XLSX, TYPE_DOC, TYPE_DOCX,
+             TYPE_PPT, TYPE_PPTX)
 
     STORAGE_TYPE_UNENCRYPTED = "unencrypted"
     STORAGE_TYPE_GPG = "gpg"
diff --git a/src/documents/views.py b/src/documents/views.py
index 5b742ab22..8ee4f5425 100644
--- a/src/documents/views.py
+++ b/src/documents/views.py
@@ -54,11 +54,15 @@ def render_to_response(self, context, **response_kwargs):
             Document.TYPE_CSV: "text/csv",
             Document.TYPE_MD:  "text/markdown",
             Document.TYPE_TXT: "text/plain",
-            Document.TYPE_ODS:
-                "application/vnd.oasis.opendocument.spreadsheet",
-            Document.TYPE_ODT: "application/vnd.oasis.opendocument.text",
-            Document.TYPE_ODP:
-                "application/vnd.oasis.opendocument.presentation"
+            Document.TYPE_ODS: "application/vnd.oasis.opendocument.spreadsheet",  # NOQA: E501
+            Document.TYPE_ODT: "application/vnd.oasis.opendocument.text",  # NOQA: E501
+            Document.TYPE_ODP: "application/vnd.oasis.opendocument.presentation",  # NOQA: E501
+            Document.TYPE_DOC: "application/msword",  # NOQA: E501
+            Document.TYPE_DOCX: "application/vnd.openxmlformats-officedocument.wordprocessingml.document",  # NOQA: E501
+            Document.TYPE_XLS: "application/vnd.ms-excel",  # NOQA: E501
+            Document.TYPE_XLSX: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",  # NOQA: E501
+            Document.TYPE_PPT: "application/vnd.ms-powerpoint",  # NOQA: E501
+            Document.TYPE_PPTX: "application/vnd.openxmlformats-officedocument.presentationml.presentation",  # NOQA: E501
         }
 
         if self.kwargs["kind"] == "thumb":
diff --git a/src/paperless_tika/parsers.py b/src/paperless_tika/parsers.py
index 03e4bdbc3..3c6632bd4 100644
--- a/src/paperless_tika/parsers.py
+++ b/src/paperless_tika/parsers.py
@@ -12,7 +12,9 @@
 
 class TikaDocumentParser(DocumentParser):
     """
-    This parser uses Apache Tika to try and get some text out of
+    This parser uses Apache-Tika to try and get some text out of office
+    formats, whether it's a open-office (ODS, ODT, ODP), or ms-office
+    format (XLS, XLSX, DOC, DOCX, PPT, PPTX)
     """
 
     CONVERT = settings.CONVERT_BINARY
diff --git a/src/paperless_tika/signals.py b/src/paperless_tika/signals.py
index 2a7b06c65..67687ea7b 100644
--- a/src/paperless_tika/signals.py
+++ b/src/paperless_tika/signals.py
@@ -5,7 +5,7 @@
 
 class ConsumerDeclaration:
 
-    MATCHING_FILES = re.compile(r"^.*\.(ods|odt|odp)$")
+    MATCHING_FILES = re.compile(r"^.*\.(ods|odt|odp|xlsx?|docx?|pptx?)$")
 
     @classmethod
     def handle(cls, sender, **kwargs):
diff --git a/src/paperless_tika/tests/test_signals.py b/src/paperless_tika/tests/test_signals.py
index 1d5e0975a..aef3306f8 100644
--- a/src/paperless_tika/tests/test_signals.py
+++ b/src/paperless_tika/tests/test_signals.py
@@ -12,9 +12,9 @@ def test_test_handles_various_file_names_true(self):
             "A document with a . in it", "Doc with -- in it"
         )
         suffixes = (
-            "ods", "odt", "odp",
-            "ODS", "ODT", "ODP",
-            "oDs", "oDt", "oDp"
+            "ods", "odt", "odp", "xls", "xlsx", "doc", "docx", "ppt", "pptx",
+            "ODS", "ODT", "ODP", "XLS", "XLSX", "DOC", "DOCX", "PPT", "PPTX",
+            "oDs", "oDt", "oDp", "xLs", "xLsX", "dOc", "dOcX", "pPt", "pPtX",
         )
 
         for prefix in prefixes: