diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9fc2d5..284fbf6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@ since 0.4.1, and this project adheres to [Semantic Versioning](https://semver.or
 - Development: Add dummy isolation provider for testing non-conversion-related
   issues in virtualized Windows and MacOS, where Docker can't run, due to the
   lack of nested virtualization ([issue #229](https://github.com/freedomofpress/dangerzone/issues/229))
+- Add support for more MIME types that were previously disregarded ([issue #377](https://github.com/freedomofpress/dangerzone/issues/377))
 
 ### Changed
 
diff --git a/container/dangerzone.py b/container/dangerzone.py
index 4996c23..debf1d0 100644
--- a/container/dangerzone.py
+++ b/container/dangerzone.py
@@ -141,57 +141,66 @@ class DangerzoneConverter:
             # .docx
             "application/vnd.openxmlformats-officedocument.wordprocessingml.document": {
                 "type": "libreoffice",
-                "libreoffice_output_filter": "writer_pdf_Export",
             },
             # .doc
             "application/msword": {
                 "type": "libreoffice",
-                "libreoffice_output_filter": "writer_pdf_Export",
             },
             # .docm
             "application/vnd.ms-word.document.macroEnabled.12": {
                 "type": "libreoffice",
-                "libreoffice_output_filter": "writer_pdf_Export",
             },
             # .xlsx
             "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet": {
                 "type": "libreoffice",
-                "libreoffice_output_filter": "calc_pdf_Export",
             },
             # .xls
             "application/vnd.ms-excel": {
                 "type": "libreoffice",
-                "libreoffice_output_filter": "calc_pdf_Export",
             },
             # .pptx
             "application/vnd.openxmlformats-officedocument.presentationml.presentation": {
                 "type": "libreoffice",
-                "libreoffice_output_filter": "impress_pdf_Export",
             },
             # .ppt
             "application/vnd.ms-powerpoint": {
                 "type": "libreoffice",
-                "libreoffice_output_filter": "impress_pdf_Export",
             },
             # .odt
             "application/vnd.oasis.opendocument.text": {
                 "type": "libreoffice",
-                "libreoffice_output_filter": "writer_pdf_Export",
             },
             # .odg
             "application/vnd.oasis.opendocument.graphics": {
                 "type": "libreoffice",
-                "libreoffice_output_filter": "impress_pdf_Export",
             },
             # .odp
             "application/vnd.oasis.opendocument.presentation": {
                 "type": "libreoffice",
-                "libreoffice_output_filter": "impress_pdf_Export",
             },
-            # .ops
+            # .ods
             "application/vnd.oasis.opendocument.spreadsheet": {
                 "type": "libreoffice",
-                "libreoffice_output_filter": "calc_pdf_Export",
+            },
+            # .ods / .ots
+            "application/vnd.oasis.opendocument.spreadsheet-template": {
+                "type": "libreoffice",
+            },
+            # .odt / .ott
+            "application/vnd.oasis.opendocument.text-template": {
+                "type": "libreoffice",
+            },
+            # At least .odt, .docx, .odg, .odp, .ods, and .pptx
+            "application/zip": {
+                "type": "libreoffice",
+            },
+            # At least .doc, .docx, .odg, .odp, .odt, .pdf, .ppt, .pptx, .xls, and .xlsx
+            "application/octet-stream": {
+                "type": "libreoffice",
+            },
+            # At least .doc, .ppt, and .xls
+            "application/x-ole-storage": {
+                "type": "libreoffice",
             },
             # .jpg
             "image/jpeg": {"type": "convert"},
@@ -230,7 +239,7 @@ class DangerzoneConverter:
                 "libreoffice",
                 "--headless",
                 "--convert-to",
-                f"pdf:{conversion['libreoffice_output_filter']}",
+                "pdf",
                 "--outdir",
                 "/tmp",
                 "/tmp/input_file",