diff --git a/app/assets/tutorial_files/ddCq-quantification_diagnostics-trmplate.xls b/app/assets/tutorial_files/ddCq-quantification_diagnostics-template.xls
similarity index 100%
rename from app/assets/tutorial_files/ddCq-quantification_diagnostics-trmplate.xls
rename to app/assets/tutorial_files/ddCq-quantification_diagnostics-template.xls
diff --git a/app/utilities/first_time_data_generator.rb b/app/utilities/first_time_data_generator.rb
index fbb3392c9..5cca6b5e9 100644
--- a/app/utilities/first_time_data_generator.rb
+++ b/app/utilities/first_time_data_generator.rb
@@ -760,7 +760,7 @@ module FirstTimeDataGenerator
     DelayedUploaderTutorial.delay(queue: :tutorial).add_step_asset(
       step: my_modules[7].protocol.steps.where("position = 0").take,
       current_user: user,
-      file_name: "ddCq-quantification_diagnostics-trmplate.xls"
+      file_name: "ddCq-quantification_diagnostics-template.xls"
     )
 
     # Add result
diff --git a/config/initializers/paperclip.rb b/config/initializers/paperclip.rb
index 323084491..d10217540 100644
--- a/config/initializers/paperclip.rb
+++ b/config/initializers/paperclip.rb
@@ -177,7 +177,7 @@ module Paperclip
         #
         # Word processor application
         (Set[content_type, content_types_from_name].subset? Set.new %w(
-          application/msword
+          application/vnd.ms-office
           application/msword
           application/vnd.openxmlformats-officedocument.wordprocessingml.document
           application/vnd.openxmlformats-officedocument.wordprocessingml.template
@@ -196,8 +196,7 @@ module Paperclip
         )) ||
         # Spreadsheet application
         (Set[content_type, content_types_from_name].subset? Set.new %w(
-          application/vnd.ms-excel
-          application/vnd.ms-excel
+          application/vnd.ms-office
           application/vnd.ms-excel
           application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
           application/vnd.openxmlformats-officedocument.spreadsheetml.template
@@ -214,9 +213,7 @@ module Paperclip
         )) ||
         # Presentation application
         (Set[content_type, content_types_from_name].subset? Set.new %w(
-          application/vnd.ms-powerpoint
-          application/vnd.ms-powerpoint
-          application/vnd.ms-powerpoint
+          application/vnd.ms-office
           application/vnd.ms-powerpoint
           application/vnd.openxmlformats-officedocument.presentationml.presentation
           application/vnd.openxmlformats-officedocument.presentationml.template
@@ -235,6 +232,7 @@ module Paperclip
         )) ||
         # Graphics application
         (Set[content_type, content_types_from_name].subset? Set.new %w(
+          application/vnd.ms-office
           application/vnd.oasis.opendocument.graphics
           application/vnd.oasis.opendocument.graphics-template
           application/vnd.sun.xml.draw
@@ -244,6 +242,7 @@ module Paperclip
         )) ||
         # Formula application
         (Set[content_type, content_types_from_name].subset? Set.new %w(
+          application/vnd.ms-office
           application/vnd.oasis.opendocument.formula
           application/vnd.sun.xml.math
           application/vnd.stardivision.math
@@ -251,6 +250,7 @@ module Paperclip
         )) ||
         # Chart application
         (Set[content_type, content_types_from_name].subset? Set.new %w(
+          application/vnd.ms-office
           application/vnd.oasis.opendocument.chart
           application/vnd.stardivision.chart
           application/x-starchart