diff --git a/app/assets/javascripts/app/controllers/time_accounting.coffee b/app/assets/javascripts/app/controllers/time_accounting.coffee
index c7b34172c..fbd5058a2 100644
--- a/app/assets/javascripts/app/controllers/time_accounting.coffee
+++ b/app/assets/javascripts/app/controllers/time_accounting.coffee
@@ -99,6 +99,7 @@ class Index extends App.ControllerSubContent
       timeRangeMonth: timeRangeMonth
       year: @year
       month: @month
+      apiPath: @apiPath
     )
 
     configure_attributes = [
diff --git a/app/assets/javascripts/app/views/time_accounting/index.jst.eco b/app/assets/javascripts/app/views/time_accounting/index.jst.eco
index c4f988651..da28bb51d 100644
--- a/app/assets/javascripts/app/views/time_accounting/index.jst.eco
+++ b/app/assets/javascripts/app/views/time_accounting/index.jst.eco
@@ -35,13 +35,13 @@
         <% end %>
       </div>
     </div>
-    <h3><%- @T('Ticket') %></h3>
+    <h3><%- @T('Ticket') %> <a href="<%- @apiPath %>/time_accounting/log/by_ticket/<%= @year %>/<%= @month %>?download=true" class="js-downloadByTicket" data-type="attachment"><%- @Icon('download') %></a></h3>
     <div class="js-tableTicket"></div>
     <br>
-    <h3><%- @T('Customer') %></h3>
+    <h3><%- @T('Customer') %> <a href="<%- @apiPath %>/time_accounting/log/by_customer/<%= @year %>/<%= @month %>?download=true" class="js-downloadByCustomer" data-type="attachment"><%- @Icon('download') %></a></h3>
     <div class="js-tableCustomer"></div>
     <br>
-    <h3><%- @T('Organization') %></h3>
+    <h3><%- @T('Organization') %> <a href="<%- @apiPath %>/time_accounting/log/by_organization/<%= @year %>/<%= @month %>?download=true" class="js-downloadByOrganization" data-type="attachment"><%- @Icon('download') %></a></h3>
     <div class="js-tableOrganization"></div>
   </div>
 
diff --git a/app/controllers/time_accountings_controller.rb b/app/controllers/time_accountings_controller.rb
index 40ce3c1e8..f2acb1a09 100644
--- a/app/controllers/time_accountings_controller.rb
+++ b/app/controllers/time_accountings_controller.rb
@@ -62,6 +62,61 @@ class TimeAccountingsController < ApplicationController
       }
       results.push result
     }
+
+    if params[:download]
+      header = [
+        {
+          name: 'Ticket#',
+          width: 15,
+        },
+        {
+          name: 'Title',
+          width: 30,
+        },
+        {
+          name: 'Customer',
+          width: 20,
+        },
+        {
+          name: 'Organization',
+          width: 20,
+        },
+        {
+          name: 'Agent',
+          width: 20,
+        },
+        {
+          name: 'Time Units',
+          width: 10,
+        },
+        {
+          name: 'Time Units Total',
+          width: 10,
+        },
+      ]
+      result = []
+      results.each { |row|
+        result_row = [
+          row[:ticket]['number'],
+          row[:ticket]['title'],
+          row[:customer],
+          row[:organization],
+          row[:agent],
+          row[:time_unit],
+          row[:ticket]['time_unit'],
+        ]
+        result.push result_row
+      }
+      content = sheet("By Ticket #{year}-#{month}", header, result)
+      send_data(
+        content,
+        filename: "by_ticket-#{year}-#{month}.xls",
+        type: 'application/vnd.ms-excel',
+        disposition: 'attachment'
+      )
+      return
+    end
+
     render json: results
   end
 
@@ -106,6 +161,42 @@ class TimeAccountingsController < ApplicationController
     customers.each { |_customer_id, content|
       results.push content
     }
+
+    if params[:download]
+      header = [
+        {
+          name: 'Customer',
+          width: 30,
+        },
+        {
+          name: 'Organization',
+          width: 30,
+        },
+        {
+          name: 'Time Units',
+          width: 10,
+        }
+      ]
+      result = []
+      results.each { |row|
+        customer_name = User.find(row[:customer]['id']).fullname
+        organization_name = ''
+        if row[:organization].present?
+          organization_name = row[:organization]['name']
+        end
+        result_row = [customer_name, organization_name, row[:time_unit]]
+        result.push result_row
+      }
+      content = sheet("By Customer #{year}-#{month}", header, result)
+      send_data(
+        content,
+        filename: "by_customer-#{year}-#{month}.xls",
+        type: 'application/vnd.ms-excel',
+        disposition: 'attachment'
+      )
+      return
+    end
+
     render json: results
   end
 
@@ -146,7 +237,91 @@ class TimeAccountingsController < ApplicationController
     organizations.each { |_customer_id, content|
       results.push content
     }
+
+    if params[:download]
+      header = [
+        {
+          name: 'Organization',
+          width: 40,
+        },
+        {
+          name: 'Time Units',
+          width: 20,
+        }
+      ]
+      result = []
+      results.each { |row|
+        organization_name = ''
+        if row[:organization].present?
+          organization_name = row[:organization]['name']
+        end
+        result_row = [organization_name, row[:time_unit]]
+        result.push result_row
+      }
+      content = sheet("By Organization #{year}-#{month}", header, result)
+      send_data(
+        content,
+        filename: "by_organization-#{year}-#{month}.xls",
+        type: 'application/vnd.ms-excel',
+        disposition: 'attachment'
+      )
+      return
+    end
+
     render json: results
   end
 
+  private
+
+  def sheet(title, header, result)
+
+    # Create a new Excel workbook
+    temp_file = Tempfile.new('time_tracking.xls')
+    workbook = WriteExcel.new(temp_file)
+
+    # Add a worksheet
+    worksheet = workbook.add_worksheet
+
+    # Add and define a format
+    format = workbook.add_format  # Add a format
+    format.set_bold
+    format.set_size(14)
+    format.set_color('black')
+    worksheet.set_row(0, 0, header.count)
+
+    # Write a formatted and unformatted string, row and column notation.
+    worksheet.write(0, 0, title, format)
+
+    format_header = workbook.add_format  # Add a format
+    format_header.set_italic
+    format_header.set_bg_color('gray')
+    format_header.set_color('white')
+    count = 0
+    header.each { |item|
+      if item[:width]
+        worksheet.set_column(count, count, item[:width])
+      end
+      worksheet.write(2, count, item[:name], format_header)
+      count += 1
+    }
+
+    row_count = 2
+    result.each { |row|
+      row_count += 1
+      row_item_count = 0
+      row.each { |item|
+        worksheet.write(row_count, row_item_count, item)
+        row_item_count += 1
+      }
+    }
+
+    workbook.close
+
+    # read file again
+    file = File.new(temp_file, 'r')
+    contents = file.read
+    file.close
+    contents
+  end
+
 end