diff --git a/.gitattributes b/.gitattributes
index 71b6e6c01..6bd3ace83 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,13 +1,13 @@
-#*.doc  diff=astextplain
-#*.DOC	diff=astextplain
-#*.docx	diff=astextplain
-#*.DOCX	diff=astextplain
-#*.dot	diff=astextplain
-#*.DOT	diff=astextplain
-#*.pdf	diff=astextplain
-#*.PDF	diff=astextplain
-#*.rtf	diff=astextplain
-#*.RTF	diff=astextplain
+*.doc	binary
+*.DOC	binary
+*.docx	binary
+*.DOCX	binary
+*.dot	binary
+*.DOT	binary
+*.pdf	binary
+*.PDF	binary
+*.rtf	binary
+*.RTF	binary
 
 *.jpg  	binary
 *.png 	binary