diff --git a/app/controllers/backoffice/dossiers_controller.rb b/app/controllers/backoffice/dossiers_controller.rb
index 267b5cfee..089a2633c 100644
--- a/app/controllers/backoffice/dossiers_controller.rb
+++ b/app/controllers/backoffice/dossiers_controller.rb
@@ -151,7 +151,7 @@ class Backoffice::DossiersController < Backoffice::DossiersListController
   end
 
   def archive
-    facade = create_dossier_facade params[:dossier_id]
+    facade = create_dossier_facade params[:id]
     unless facade.dossier.archived
       facade.dossier.update(archived: true)
       flash.notice = 'Dossier archivé'
@@ -159,6 +159,16 @@ class Backoffice::DossiersController < Backoffice::DossiersListController
     redirect_to backoffice_dossiers_path
   end
 
+
+  def unarchive
+    @dossier = Dossier.find(params[:id])
+    if @dossier.archived
+      @dossier.update(archived: false)
+      flash.notice = 'Dossier désarchivé'
+    end
+    redirect_to backoffice_dossier_path(@dossier)
+  end
+  
   def reopen
     create_dossier_facade params[:dossier_id]
 
diff --git a/app/controllers/backoffice/dossiers_list_controller.rb b/app/controllers/backoffice/dossiers_list_controller.rb
index 2bcb2a6dd..52274bb79 100644
--- a/app/controllers/backoffice/dossiers_list_controller.rb
+++ b/app/controllers/backoffice/dossiers_list_controller.rb
@@ -29,36 +29,31 @@ class Backoffice::DossiersListController < ApplicationController
 
   def smartlisting_dossier dossiers_list=nil, liste='all_state'
     dossiers_list_facade liste
+    service = dossiers_list_facade.service
 
-    new_dossiers_list = dossiers_list_facade.service.nouveaux
-    follow_dossiers_list = dossiers_list_facade.service.suivi
-    all_state_dossiers_list = dossiers_list_facade.service.all_state
 
     if param_page.nil?
       params[:dossiers_smart_listing] = {page: dossiers_list_facade.service.default_page}
     end
 
-    smart_listing_create :new_dossiers,
-                         new_dossiers_list,
-                         partial: "backoffice/dossiers/list",
-                         array: true,
-                         default_sort: dossiers_list_facade.service.default_sort
+    default_smart_listing_create :new_dossiers, service.nouveaux
+    default_smart_listing_create :follow_dossiers, service.suivi
+    default_smart_listing_create :all_state_dossiers, service.all_state
+    default_smart_listing_create :archived_dossiers, service.archive
 
-    smart_listing_create :follow_dossiers,
-                         follow_dossiers_list,
-                         partial: "backoffice/dossiers/list",
-                         array: true,
-                         default_sort: dossiers_list_facade.service.default_sort
-
-    smart_listing_create :all_state_dossiers,
-                         all_state_dossiers_list,
-                         partial: "backoffice/dossiers/list",
-                         array: true,
-                         default_sort: dossiers_list_facade.service.default_sort
+    @archived_dossiers = service.archive
   end
 
   private
 
+  def default_smart_listing_create name, collection
+    smart_listing_create name,
+                         collection,
+                         partial: 'backoffice/dossiers/list',
+                         array: true,
+                         default_sort: dossiers_list_facade.service.default_sort
+  end
+
   def param_smart_listing
     params[:dossiers_smart_listing]
   end
diff --git a/app/facades/dossier_facades.rb b/app/facades/dossier_facades.rb
index 6893f4bcb..6d707f7fc 100644
--- a/app/facades/dossier_facades.rb
+++ b/app/facades/dossier_facades.rb
@@ -2,7 +2,7 @@ class DossierFacades
 
   #TODO rechercher en fonction de la personne/email
   def initialize(dossier_id, email, champ_id = nil)
-    @dossier = Dossier.where(archived: false).find(dossier_id)
+    @dossier = Dossier.find(dossier_id)
     @champ_id = champ_id
   end
 
diff --git a/app/models/dossier.rb b/app/models/dossier.rb
index 88acb1cee..5877e87fd 100644
--- a/app/models/dossier.rb
+++ b/app/models/dossier.rb
@@ -199,6 +199,8 @@ class Dossier < ActiveRecord::Base
     where(state: TERMINE, archived: false).order("updated_at #{order}")
   end
 
+  scope :archived, -> { where(archived: true) }
+
   def cerfa_available?
     procedure.cerfa_flag? && cerfa.size != 0
   end
diff --git a/app/services/dossiers_list_gestionnaire_service.rb b/app/services/dossiers_list_gestionnaire_service.rb
index 335dd7e12..93a1a4dc0 100644
--- a/app/services/dossiers_list_gestionnaire_service.rb
+++ b/app/services/dossiers_list_gestionnaire_service.rb
@@ -11,6 +11,7 @@ class DossiersListGestionnaireService
          'a_traiter' => ouvert,
          'a_instruire' => a_instruire,
          'termine' => termine,
+         'archive' => archive,
          'all_state' => all_state}[@liste]
 
   end
@@ -39,6 +40,10 @@ class DossiersListGestionnaireService
     @a_instruire ||= filter_dossiers.a_instruire
   end
 
+  def archive
+    @archive ||= filter_dossiers.archived
+  end
+
   def termine
     @termine ||= filter_dossiers.termine
   end
diff --git a/app/views/backoffice/dossiers/_list.html.haml b/app/views/backoffice/dossiers/_list.html.haml
index 348b51baf..bf18a4ad2 100644
--- a/app/views/backoffice/dossiers/_list.html.haml
+++ b/app/views/backoffice/dossiers/_list.html.haml
@@ -1,9 +1,9 @@
 %table#dossiers_list.table
   %thead
     - if smart_listing.name.to_s == 'follow_dossiers'
-      %th.col-md-1.col-lg-1.col-sm-1.col-xs-1.col-sm-1.col-xs-1.center
+      %th.col-xs-1.center
         %i.fa.fa-bell
-    %th.col-md-1.col-lg-1.col-sm-1.col-xs-1.col-sm-1.col-xs-1
+    %th.col-xs-1
       État
 
     - @facade_data_view.preference_list_dossiers_filter.each do |preference|
@@ -17,14 +17,14 @@
             %i.filter.fa.fa-filter{style: "color:#{(preference.filter.blank? ? 'grey' : 'orange')}", id: "filter_#{smart_listing.name.to_s}_#{preference.table_attr.sub('.', '_')}"}
             = render partial: 'backoffice/dossiers/filter_framed', locals:{preference: preference, filter_framed_id: "framed_filter_#{smart_listing.name.to_s}_#{preference.table_attr.sub('.', '_')}"}
 
-    %th.col-md-1.col-lg-1.col-sm-1.col-xs-1.col-sm-1.col-xs-1.center Actions
-    %th.col-md-1.col-lg-1.col-sm-1.col-xs-1.col-sm-1.col-xs-1.center Abonnés
+    %th.col-xs-1.center Actions
+    %th.col-xs-1.center Abonnés
 
   - unless smart_listing.empty?
     - smart_listing.collection.each do |dossier|
       %tr.dossier-row{id: "tr_dossier_#{dossier.id}", 'data-dossier_url' => backoffice_dossier_url(id: dossier.id)}
         - if smart_listing.name.to_s == 'follow_dossiers'
-          %td.col-md-1.col-lg-1.col-sm-1.col-xs-1.col-sm-1.col-xs-1.center
+          %td.col-xs-1.center
             - total_notif = dossier.notifications.where(already_read: false).count
             - if total_notif == 0
               .badge.progress-bar-default
@@ -32,7 +32,7 @@
             - else
               .badge.progress-bar-warning
                 = total_notif
-        %td.col-md-1.col-lg-1.col-sm-1.col-xs-1.col-sm-1.col-xs-1
+        %td.col-xs-1
           = dossier.decorate.display_state
         - @facade_data_view.preference_list_dossiers_filter.each_with_index do |preference, index|
           - unless preference.libelle == 'Statut' || preference.libelle == 'État'
diff --git a/app/views/backoffice/dossiers/index.html.haml b/app/views/backoffice/dossiers/index.html.haml
index 4c622f1ec..8e80fbe6d 100644
--- a/app/views/backoffice/dossiers/index.html.haml
+++ b/app/views/backoffice/dossiers/index.html.haml
@@ -3,53 +3,64 @@
     = render partial: 'backoffice/dossiers/pref_list'
 
   .default_data_block
-    %div.row.show-block#new_dossiers
-      %div.header
-        %div.col-lg-10.col-md-10.col-sm-10.col-xs-10.title
-          %div.carret-right
-          %div.carret-down
+    .row.show-block#new_dossiers
+      .header
+        .col-xs-10.title
+          .carret-right
+          .carret-down
           Nouveaux dossiers
-        %div.col-lg-2.col-md-2.col-sm-2.col-xs-2.count
-          =@facade_data_view.nouveaux_total
-          dossiers
-      %div.body
+        .col-xs-2.count
+          = pluralize(@facade_data_view.nouveaux_total, "dossier")
+      .body
         = smart_listing_render :new_dossiers
 
   .row.center
-    .col-lg-1.col-md-1.col-sm-1.col-xs-1
-    .col-lg-2.col-md-2.col-sm-2.col-xs-2
+    .col-xs-2.col-xs-offset-1
       =link_to 'Tous les états', '?liste=all_state', class: 'text-info', style:"text-decoration: #{@facade_data_view.liste == 'all_state'? 'underline' : ''}"
-    .col-lg-2.col-md-2.col-sm-2.col-xs-2
+    .col-xs-2
       =link_to 'En construction', '?liste=a_traiter', class: 'text-danger', style:"text-decoration: #{@facade_data_view.liste == 'a_traiter'? 'underline' : ''}"
-    .col-lg-2.col-md-2.col-sm-2.col-xs-2
+    .col-xs-2
       =link_to 'À receptionner', '?liste=deposes', class: 'text-purple', style:"text-decoration: #{@facade_data_view.liste == 'deposes'? 'underline' : ''}"
-    .col-lg-2.col-md-2.col-sm-2.col-xs-2
+    .col-xs-2
       =link_to  'À instruire', '?liste=a_instruire', class: 'text-warning', style:"text-decoration: #{@facade_data_view.liste == 'a_instruire'? 'underline' : ''}"
-    .col-lg-2.col-md-2.col-sm-2.col-xs-2
+    .col-xs-2
       =link_to  'Terminés', '?liste=termine', class: 'text-success', style:"text-decoration: #{@facade_data_view.liste == 'termine'? 'underline' : ''}"
 
   .default_data_block.default_visible
-    %div.row.show-block#follow_dossiers
-      %div.header
-        %div.col-lg-10.col-md-10.col-sm-10.col-xs-10.title
-          %div.carret-right
-          %div.carret-down
+    .row.show-block#follow_dossiers
+      .header
+        .col-xs-10.title
+          .carret-right
+          .carret-down
           Dossiers suivis
-        %div.col-lg-2.col-md-2.col-sm-2.col-xs-2.count
-          =@facade_data_view.suivi_total
-          dossiers
-      %div.body
+        .col-xs-2.count
+          = pluralize(@facade_data_view.suivi_total, "dossier")
+      .body
         = smart_listing_render :follow_dossiers
 
   .default_data_block
-    %div.row.show-block#all_dossiers
-      %div.header
-        %div.col-lg-10.col-md-10.col-sm-10.col-xs-10.title
-          %div.carret-right
-          %div.carret-down
+    .row.show-block#all_dossiers
+      .header
+        .col-xs-10.title
+          .carret-right
+          .carret-down
           Tous les dossiers
-        %div.col-lg-2.col-md-2.col-sm-2.col-xs-2.count
-          =@facade_data_view.all_state_total
-          dossiers
-      %div.body
+        .col-xs-2.count
+          = pluralize(@facade_data_view.all_state_total, "dossier")
+      .body
         = smart_listing_render :all_state_dossiers
+
+
+  - if @archived_dossiers
+    .default_data_block
+      .row.show-block#archived_dossiers
+        .header
+          .col-xs-10.title
+            .carret-right
+            .carret-down
+            Dossiers archivés
+          .col-xs-2.count
+            = pluralize(@archived_dossiers.count, "dossier")
+
+        .body
+          = smart_listing_render :archived_dossiers
diff --git a/app/views/backoffice/dossiers/show.html.haml b/app/views/backoffice/dossiers/show.html.haml
index be9e5d17d..cb7d90ad2 100644
--- a/app/views/backoffice/dossiers/show.html.haml
+++ b/app/views/backoffice/dossiers/show.html.haml
@@ -1,2 +1,2 @@
 #backoffice_dossier_show.col-xs-12
-  = render partial: "dossiers/dossier_show"
+  = render partial: "dossiers/dossier_show"
\ No newline at end of file
diff --git a/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_show.html.haml b/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_show.html.haml
index 43dbfac81..b7a0b9804 100644
--- a/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_show.html.haml
+++ b/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_show.html.haml
@@ -1,8 +1,8 @@
-%div#first-block
-  %div.infos
+#first-block
+  .infos
     #dossier_id= t('dynamics.dossiers.numéro') + @facade.dossier.id.to_s
 
-%div#action-block
+#action-block
   - if gestionnaire_signed_in?
     - if !@facade.dossier.read_only? || @facade.dossier.initiated?
       = link_to 'Accuser réception', backoffice_dossier_receive_path(@facade.dossier), method: :post, class: 'btn btn-danger btn-block'
@@ -19,18 +19,24 @@
           %i.fa.fa-times
       = link_to 'Reouvrir', backoffice_dossier_reopen_path(@facade.dossier), method: :post, class: 'btn btn-default btn-block'
 
-    - unless @facade.dossier.archived?
-      = link_to 'Archiver', backoffice_dossier_archive_path(@facade.dossier), method: :post, class: 'btn btn-default btn-block'
+    %hr
+    - if @facade.dossier.archived?
+      %p
+        Archivé
+      = link_to 'Désarchiver', unarchive_backoffice_dossier_path(@facade.dossier), method: :post, class: 'btn btn-default btn-block'
+
+    - else
+      = link_to 'Archiver', archive_backoffice_dossier_path(@facade.dossier), method: :post, class: 'btn btn-default btn-block'
 
 
 
-%div#menu-block
+#menu-block
 
-%div#infos-block
-  %div.split-hr-left
-  %div.dossier-state= @facade.dossier.display_state
-  %div.split-hr-left
-  %div.notifications
+#infos-block
+  .split-hr-left
+  .dossier-state= @facade.dossier.display_state
+  .split-hr-left
+  .notifications
     - if @facade.dossier.notifications.empty?
       Aucune notification pour le moment.
     - else
diff --git a/config/routes.rb b/config/routes.rb
index 1c3f99b72..9735cadae 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -162,9 +162,11 @@ Rails.application.routes.draw do
       post 'refuse' => 'dossiers#refuse'
       post 'without_continuation' => 'dossiers#without_continuation'
       post 'close' => 'dossiers#close'
-      post 'archive' => 'dossiers#archive'
+      member do
+        post 'archive'
+        post 'unarchive'
+      end
       post 'reopen' => 'dossiers#reopen'
-
       put 'follow' => 'dossiers#follow'
       resources :commentaires, only: [:index]
     end
diff --git a/spec/controllers/backoffice/dossiers/procedure_controller_spec.rb b/spec/controllers/backoffice/dossiers/procedure_controller_spec.rb
index 7967e1010..3dc9f34bd 100644
--- a/spec/controllers/backoffice/dossiers/procedure_controller_spec.rb
+++ b/spec/controllers/backoffice/dossiers/procedure_controller_spec.rb
@@ -3,6 +3,8 @@ require 'spec_helper'
 describe Backoffice::Dossiers::ProcedureController, type: :controller do
   let(:gestionnaire) { create :gestionnaire }
   let(:procedure) { create :procedure }
+  let(:archived) { false }
+  let(:dossier) { create :dossier, procedure: procedure, archived: archived, state: 'initiated'}
 
   before do
     create :assign_to, gestionnaire: gestionnaire, procedure: procedure
@@ -28,6 +30,24 @@ describe Backoffice::Dossiers::ProcedureController, type: :controller do
       it { is_expected.to redirect_to backoffice_dossiers_path }
       it { expect(flash[:alert]).to be_present}
     end
+
+    context 'when procedure contains a dossier' do
+      render_views
+
+      before do
+        dossier
+        subject
+      end
+
+      it { expect(response.body).to have_content('Tous les dossiers 1 dossier') }
+
+      context 'archived' do
+        let(:archived) { true }
+
+        it { expect(response.body).to have_content('Tous les dossiers 0 dossiers') }
+        it { expect(response.body).to have_content('Dossiers archivés 1 dossier') }
+      end
+    end
   end
 
   describe 'GET #filter' do
diff --git a/spec/controllers/backoffice/dossiers_controller_spec.rb b/spec/controllers/backoffice/dossiers_controller_spec.rb
index de76e9436..572e3a795 100644
--- a/spec/controllers/backoffice/dossiers_controller_spec.rb
+++ b/spec/controllers/backoffice/dossiers_controller_spec.rb
@@ -104,12 +104,6 @@ describe Backoffice::DossiersController, type: :controller do
         end
       end
 
-      context ' when dossier is archived' do
-        let(:dossier_id) { dossier_archived }
-
-        it { expect(subject).to redirect_to('/backoffice') }
-      end
-
       context 'when dossier id does not exist' do
         let(:dossier_id) { bad_dossier_id }
 
@@ -384,7 +378,7 @@ describe Backoffice::DossiersController, type: :controller do
       sign_in gestionnaire
     end
 
-    subject { post :archive, params: {dossier_id: dossier_id} }
+    subject { post :archive, params: {id: dossier_id} }
 
     it 'change state to archived' do
       subject
diff --git a/spec/views/backoffice/dossiers/index_html.haml_spec.rb b/spec/views/backoffice/dossiers/index_html.haml_spec.rb
index d6822f816..3de97bd7a 100644
--- a/spec/views/backoffice/dossiers/index_html.haml_spec.rb
+++ b/spec/views/backoffice/dossiers/index_html.haml_spec.rb
@@ -77,7 +77,7 @@ describe 'backoffice/dossiers/index.html.haml', type: :view do
 
   subject { rendered }
 
-  it { is_expected.to have_content('Nouveaux dossiers 1 dossiers') }
+  it { is_expected.to have_content('Nouveaux dossiers 1 dossier') }
   it { is_expected.to have_content('Dossiers suivis 0 dossiers') }
   it { is_expected.to have_content('Tous les dossiers 7 dossiers') }
 
diff --git a/spec/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_show_spec.rb b/spec/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_show_spec.rb
index 4d3b8cac5..7871cfe42 100644
--- a/spec/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_show_spec.rb
+++ b/spec/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_show_spec.rb
@@ -2,8 +2,9 @@ require 'spec_helper'
 
 describe 'layouts/left_panels/_left_panel_backoffice_dossierscontroller_show.html.haml', type: :view do
 
-  let!(:dossier) { create(:dossier, :with_entreprise,  state: state) }
+  let!(:dossier) { create(:dossier, :with_entreprise,  state: state, archived: archived) }
   let(:state) { 'draft' }
+  let(:archived) { false }
   let(:gestionnaire) { create(:gestionnaire) }
 
   before do
@@ -127,6 +128,28 @@ describe 'layouts/left_panels/_left_panel_backoffice_dossierscontroller_show.htm
         expect(rendered).not_to have_css('form[data-toggle="tooltip"][title="Refuser"]')
       end
     end
+
+    context 'when dossier is not archived' do
+      let(:archived) { false }
+
+      before do
+        render
+      end
+
+      it { expect(rendered).to have_link('Archiver') }
+    end
+
+    context 'when dossier is archived' do
+      let(:archived) { true }
+
+      before do
+        render
+      end
+
+      it { expect(rendered).to have_content('Archivé') }
+      it { expect(rendered).to have_link('Désarchiver') }
+
+    end
   end
 
 end
\ No newline at end of file