diff --git a/src/data/beos_mime/text/html b/src/data/beos_mime/text/html
index 384a4c799f..96687aa0dd 100644
--- a/src/data/beos_mime/text/html
+++ b/src/data/beos_mime/text/html
@@ -3,9 +3,8 @@ resource(0, "BEOS:TYPE") #'MIMS' "application/x-vnd.Be-meta-mime";
 
 resource(1, "META:TYPE") "text/html";
 
-resource(2, "META:SNIFF_RULE") #'CSTR' array
-{
-	"0.40          [0:64]( -i \"<HTML\" | \"<HEAD\" | \"<TITLE\" | \""
+resource(2, "META:SNIFF_RULE") #'CSTR' array {
+	"0.40  [0:64]( -i \"<HTML\" | \"<HEAD\" | \"<TITLE\" | \""
 	"<BODY\" | \"<TABLE\" | \"<!--\" | \"<META\" | \"<CENTER\")"
 };
 
@@ -13,8 +12,7 @@ resource(3, "META:S:DESC") #'MSDC' "HTML File";
 
 resource(4, "META:PREF_APP") #'MSIG' "application/x-vnd.Be-NPOS";
 
-resource(5, "META:EXTENS") message(234)
-{
+resource(5, "META:EXTENS") message(234) {
 	"extensions" = "htm",
 	"extensions" = "html",
 	"type" = "text/html"
diff --git a/src/data/beos_mime/text/plain b/src/data/beos_mime/text/plain
index 90be455f19..2a278afb94 100644
--- a/src/data/beos_mime/text/plain
+++ b/src/data/beos_mime/text/plain
@@ -10,7 +10,7 @@ resource(3, "META:EXTENS") message(234) {
 	"type" = "text/plain"
 };
 
-resource(4, "META:PREF_APP") #'MSIG' "application/x-vnd.obos.styled-edit";
+resource(4, "META:PREF_APP") #'MSIG' "application/x-vnd.haiku.styled-edit";
 
 resource(5, "META:L:STD_ICON") #'ICON' array {
 	$"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
diff --git a/src/data/beos_mime/text/rtf b/src/data/beos_mime/text/rtf
new file mode 100644
index 0000000000..d4d605180f
--- /dev/null
+++ b/src/data/beos_mime/text/rtf
@@ -0,0 +1,15 @@
+
+resource(0, "BEOS:TYPE") #'MIMS' "application/x-vnd.Be-meta-mime";
+
+resource(1, "META:TYPE") "text/rtf";
+
+resource(2, "META:S:DESC") #'MSDC' "RTF File";
+
+resource(3, "META:EXTENS") message(234) {
+	"extensions" = "rtf",
+	"type" = "text/rtf"
+};
+
+resource(4, "META:SNIFF_RULE") "0.50 (\"\\173\\134rtf\")";
+
+resource(5, "META:PREF_APP") #'MSIG' "application/x-vnd.haiku.styled-edit";
diff --git a/src/data/beos_mime/text/x-source-code b/src/data/beos_mime/text/x-source-code
index 7bd5f4c11d..b5e4fa621d 100644
--- a/src/data/beos_mime/text/x-source-code
+++ b/src/data/beos_mime/text/x-source-code
@@ -3,24 +3,25 @@ resource(0, "BEOS:TYPE") #'MIMS' "application/x-vnd.Be-meta-mime";
 
 resource(1, "META:TYPE") "text/x-source-code";
 
-resource(2, "META:SNIFF_RULE") #'CSTR' array
-{
+resource(2, "META:SNIFF_RULE") #'CSTR' array {
 	"0.20          ([0]\"//\" | [0]\"/*\" | [0:32]\"#include\" | [0:3"
 	"2]\"#ifndef\" | [0:32]\"#ifdef\")"
 };
 
 resource(3, "META:S:DESC") #'MSDC' "Source Code";
 
-resource(4, "META:EXTENS") message(234)
-{
+resource(4, "META:EXTENS") message(234) {
+	"extensions" = "asm",
 	"extensions" = "c",
 	"extensions" = "cc",
 	"extensions" = "cpp",
 	"extensions" = "h",
 	"extensions" = "h++",
+	"extensions" = "java",
 	"extensions" = "pl",
 	"extensions" = "py",
+	"extensions" = "S",
 	"type" = "text/x-source-code"
 };
 
-resource(5, "META:PREF_APP") #'MSIG' "application/x-vnd.obos.styled-edit";
+resource(5, "META:PREF_APP") #'MSIG' "application/x-vnd.haiku.styled-edit";
diff --git a/src/data/beos_mime/text/xml b/src/data/beos_mime/text/xml
new file mode 100644
index 0000000000..2abd99173e
--- /dev/null
+++ b/src/data/beos_mime/text/xml
@@ -0,0 +1,13 @@
+
+resource(0, "BEOS:TYPE") #'MIMS' "application/x-vnd.Be-meta-mime";
+
+resource(1, "META:TYPE") "text/xml";
+
+resource(2, "META:S:DESC") #'MSDC' "XML File";
+
+resource(3, "META:EXTENS") message(234) {
+	"extensions" = "xml",
+	"type" = "text/xml"
+};
+
+resource(4, "META:PREF_APP") #'MSIG' "application/x-vnd.haiku.styled-edit";
diff --git a/src/data/beos_mime/video/mp4 b/src/data/beos_mime/video/mp4
new file mode 100644
index 0000000000..0be598b024
--- /dev/null
+++ b/src/data/beos_mime/video/mp4
@@ -0,0 +1,13 @@
+
+resource(0, "BEOS:TYPE") #'MIMS' "application/x-vnd.Be-meta-mime";
+
+resource(1, "META:TYPE") "video/mp4";
+
+resource(2, "META:S:DESC") #'MSDC' "MP4 Movie";
+
+resource(3, "META:EXTENS") message(234) {
+	"extensions" = "mp4",
+	"type" = "video/mp4"
+};
+
+resource(4, "META:PREF_APP") #'MSIG' "application/x-vnd.videolan-vlc";
diff --git a/src/data/beos_mime/video/quicktime b/src/data/beos_mime/video/quicktime
new file mode 100644
index 0000000000..8cf21d9524
--- /dev/null
+++ b/src/data/beos_mime/video/quicktime
@@ -0,0 +1,16 @@
+
+resource(0, "BEOS:TYPE") #'MIMS' "application/x-vnd.Be-meta-mime";
+
+resource(1, "META:TYPE") "video/quicktime";
+
+resource(2, "META:S:DESC") #'MSDC' "Quicktime Movie";
+
+resource(3, "META:SNIFF_RULE") "0.50 (\"[4]\"mdat\" | [4]\"moov\"\")";
+
+resource(4, "META:EXTENS") message(234) {
+	"extensions" = "mov",
+	"extensions" = "qt",
+	"type" = "video/quicktime"
+};
+
+resource(5, "META:PREF_APP") #'MSIG' "application/x-vnd.videolan-vlc";
diff --git a/src/data/beos_mime/video/x-ms-asf b/src/data/beos_mime/video/x-ms-asf
new file mode 100644
index 0000000000..b61dd4d2c9
--- /dev/null
+++ b/src/data/beos_mime/video/x-ms-asf
@@ -0,0 +1,15 @@
+
+resource(0, "BEOS:TYPE") #'MIMS' "application/x-vnd.Be-meta-mime";
+
+resource(1, "META:TYPE") "video/x-ms-asf";
+
+resource(2, "META:SNIFF_RULE") "0.50 (\"\\060\\046\\262\\165\")";
+
+resource(3, "META:S:DESC") #'MSDC' "Microsoft ASF Movie";
+
+resource(4, "META:EXTENS") message(234) {
+	"extensions" = "asf",
+	"type" = "video/x-ms-asf"
+};
+
+resource(5, "META:PREF_APP") #'MSIG' "application/x-vnd.videolan-vlc";