diff --git a/manifest.json b/manifest.json
index 779dc26..7e0d1ad 100644
--- a/manifest.json
+++ b/manifest.json
@@ -53,6 +53,16 @@
             },
                 "default": true
             },
+            {
+                "name": "export",
+                "type": "string",
+                "ask": {
+                    "en": "Use AbiWord (~260 Mo) or LibreOffice (~400 Mo) (more stable) to expand export possibilities (PDF, doc)?",
+                    "fr": "Utiliser AbiWord (~260 Mo) ou LibreOffice (~400 Mo) (plus stable) pour étendre les possibilités d'export (PDF, doc) ?"
+                },
+                "choices" : ["none", "abiword", "libreoffice"],
+                "default" : "none"
+            },
             {
                 "name": "language",
                 "type": "string",
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 5075c93..0e39512 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -9,6 +9,12 @@ pkg_dependencies="postgresql postgresql-contrib apt-transport-https"
 
 nodejs_version=12
 
+# Dependencies for AbiWord
+abiword_app_depencencies="abiword"
+
+# Dependencies for LibreOffice
+libreoffice_app_dependencies="unoconv libreoffice-writer"
+
 #=================================================
 # PERSONAL HELPERS
 #=================================================
diff --git a/scripts/install b/scripts/install
index b416a8c..95fe93b 100644
--- a/scripts/install
+++ b/scripts/install
@@ -128,7 +128,7 @@ ynh_system_user_create --username=$app --home_dir=$final_path
 #=================================================
 # INSTALL ETHERPAD
 #=================================================
-ynh_script_progression --message="Installing Etherpad..." --weight=90
+ynh_script_progression --message="Installing Etherpad..." --weight=60
 
 chown -R $app: $final_path
 
@@ -147,6 +147,19 @@ cp ../conf/settings.json $final_path/settings.json
 
 ynh_replace_string --match_string="__PORT__"     --replace_string="$port"     --target_file="$final_path/settings.json"
 ynh_replace_string --match_string="__LANGUAGE__" --replace_string="$language" --target_file="$final_path/settings.json"
+if [ "$export" = "abiword" ]
+then
+	# Get AbiWord binary path
+	abiword_path=`which abiword`
+	# Set the path of abiword into Etherpad config
+	ynh_replace_string --match_string="\"abiword\" : null" --replace_string="\"abiword\" : \"$abiword_path\"" --target_file="$final_path/settings.json"
+elif [ "$export" = "libreoffice" ]
+then
+	# Get soffice binary path
+	soffice_path=`which soffice`
+	# Set the path of soffice into Etherpad config
+	ynh_replace_string --match_string="\"soffice\" : null" --replace_string="\"soffice\" : \"$soffice_path\"" --target_file="$final_path/settings.json"
+fi
 
 cp ../conf/credentials.json $final_path/credentials.json