diff --git a/android/KMAPro/kMAPro/src/main/res/values-pt-rPT/strings.xml b/android/KMAPro/kMAPro/src/main/res/values-pt-rPT/strings.xml
index 3e3580f931..02f1d9291d 100644
--- a/android/KMAPro/kMAPro/src/main/res/values-pt-rPT/strings.xml
+++ b/android/KMAPro/kMAPro/src/main/res/values-pt-rPT/strings.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
+  <!-- app_name removed in 16.0 beta. Set in build.gradle -->
   <!-- Context: Menu Action -->
   <string name="action_share" comment="Menu action to send text content to another app">Compartilhar</string>
   <!-- Context: Menu Action -->
@@ -32,6 +33,8 @@
   <string name="ic_text_size_up" comment="Make text bigger">Tamanho do texto para cima</string>
   <!-- Context: Text Size dialog -->
   <string name="ic_text_size_down" comment="Make text smaller">Tamanho do texto para baixo</string>
+  <!-- Context: Text Size dialog -->
+  <string name="ic_text_size_slider" comment="Adjust text size">Tamanho do texto deslizante</string>
   <!-- Context: Clear Text dialog -->
   <string name="all_text_will_be_cleared" comment="Erase all the text">\nTodo o texto será limpo\n</string>
   <!-- Context: Get Started menu -->
@@ -50,6 +53,7 @@
   <string name="request_storage_permission" comment="Request storage permission to access keyboard packages">    Para instalar pacotes de teclado, permita que o Keyman leia o armazenamento externo.</string>
   <!-- Context: Android Storage Permission -->
   <string name="storage_permission_denied" comment="Keyboard package installation may fail since Android storage permission not granted">    A solicitação de permissão de armazenamento foi negada. Pode falhar na instalação do pacote de teclado</string>
+  <string name="storage_permission_denied2" comment="Keyboard package installation failed. Recommend install from local file">    Falha no pedido de permissão de armazenamento. Experimente instalar de um ficheiro local, nas configurações do Keyman</string>
   <!-- Context: Keyman Settings menu -->
   <string name="keyman_settings" comment="Settings menu title">Configurações</string>
   <!-- Context: Keyman Settings menu -->
@@ -82,7 +86,7 @@
   <!-- Context: Keyman Settings menu / Spacebar caption hint -->
   <string name="spacebar_caption_hint_blank" comment="Spacebar caption hint - blank">Não mostrar legenda na barra de espaço</string>
   <!-- Context: Keyman Settings menu / Haptic feedback -->
-  <string name="haptic_feedback" comment="haptic feedback on key press">Vibrate when typing</string>
+  <string name="haptic_feedback" comment="haptic feedback on key press">Vibrar ao tocar</string>
   <!-- Context: Keyman Settings menu -->
   <string name="show_banner" comment="text suggestions banner">Sempre mostrar banner</string>
   <!-- Context: Keyman Settings menu -->
@@ -154,7 +158,7 @@
   <!-- Context: KMP Package strings -->
   <string name="invalid_metadata" comment="kmp.json metadata file is invalid or missing in package">Metadados inválidos/ausentes no pacote</string>
   <!-- Context: KMP Package strings -->
-  <string name="minimum_keyboard_version_not_supported" comment="Notification when keyboard has functionality not supported by current Keyman">    Keyboard requires a newer version of Keyman</string>
+  <string name="minimum_keyboard_version_not_supported" comment="Notification when keyboard has functionality not supported by current Keyman">O teclado requer uma nova versão do Keyman</string>
   <!-- Context: anywhere -->
-  <string name="unable_to_open_browser" comment="Notification when a browser activity cannot be launched">Unable to launch web browser</string>
+  <string name="unable_to_open_browser" comment="Notification when a browser activity cannot be launched">Não foi possível carregar o navegador</string>
 </resources>
diff --git a/android/KMEA/app/src/main/res/values-pt-rPT/strings.xml b/android/KMEA/app/src/main/res/values-pt-rPT/strings.xml
index f66d5fa444..f58f48dd2d 100644
--- a/android/KMEA/app/src/main/res/values-pt-rPT/strings.xml
+++ b/android/KMEA/app/src/main/res/values-pt-rPT/strings.xml
@@ -45,7 +45,7 @@
     <!-- Context: Button label -->
     <string name="label_update" comment="Dialog button to update a resource">Atualizar</string>
     <!-- Context: No internet for updates -->
-    <string name="no_internet_connection" comment="Internet connection missing">No internet connection</string>
+    <string name="no_internet_connection" comment="Internet connection missing">Sem ligação à Internet</string>
     <!-- Context: Keyboard Updates -->
     <string name="cannot_connect" comment="Error message when network connection fails">Não foi possível conectar ao servidor Keyman!</string>
     <!-- Context: Keyboard Updates -->
@@ -84,7 +84,7 @@
     <string name="fatal_keyboard_error_short" comment="Error in keyboard (keyboard ID::packageID for language).">      Erro no teclado %1$s:%2$s para %3$s idioma.</string>
     <!-- Context: Query for associated dictionary -->
     <string name="query_associated_model" comment="Check if there's an available dictionary to download">Verificando o download do dicionário associado</string>
-    <string name="cannot_query_associated_model" comment="Cannot reach server to check if there's an available dictionary to download">      Cannot connect to Keyman server to check for associated dictionary to download</string>
+    <string name="cannot_query_associated_model" comment="Cannot reach server to check if there's an available dictionary to download">A ligação ao servidor do Keyman para verificar dicionários para descarregar falhou</string>
     <!-- Context: Model Updates -->
     <string name="confirm_download_model" comment="Confirmation to download a dictionary update">Gostaria de baixar a versão mais recente deste dicionário?</string>
     <!-- Context: No associated dictionary found -->
@@ -107,7 +107,7 @@
     <string name="dictionary_download_start_in_background" comment="Notification that a dictionary download has started">Download do dicionário iniciado em segundo plano</string>
     <!-- Context: Background download messages-->
     <string name="dictionary_download_is_running_in_background" comment="Notification that a dictionary download is still running">O dicionário selecionado já está baixando; por favor, tente novamente mais tarde!</string>
-    <!-- Context: Background download messages-->
+    <!-- Context: Background download messages. Removed in Keyman 17-->
     <string name="dictionary_download_finished" comment="Notification that a dictionary download has finished">O download do dicionário terminou.</string>
     <!-- Context: Background download messages -->
     <string name="download_failed" comment="Notification that a download failed">Download falhou</string>
@@ -119,7 +119,7 @@
     <string name="update_check_current" comment="Notification that all resources are up to date">"Todos os recursos estão atualizados!"</string>
     <!-- Context: General Updates -->
     <string name="update_failed" comment="Notification that a resource update failed">Um ou mais recursos falharam ao atualizar!</string>
-    <!-- Context: General Updates -->
+    <!-- Context: General Updates. Removed in Keyman 17 -->
     <string name="update_success" comment="Notification that a resource update successfully updated">Recursos atualizados com sucesso!</string>
     <!-- Context: Model Info -->
     <string name="model_version" comment="Title for a dictionary version">Versão do dicionário</string>
@@ -128,11 +128,11 @@
     <!-- Context: Model Info -->
     <string name="confirm_delete_model" comment="Confirmation to delete a dictionary">Você gostaria de excluir este dicionário?</string>
     <!-- Context: Model Deleted -->
-    <string name="model_deleted" comment="Notification when a dictionary is deleted">Dictionary deleted</string>
+    <string name="model_deleted" comment="Notification when a dictionary is deleted">Dicionário eliminado</string>
     <!-- Context: Language Settings Keyboard install strings -->
     <string name="keyboard_install_toast" comment="Notification when a keyboard is installed">Teclado %1$s instalado</string>
     <!-- Context: Language Settings Keyboard uninstall strings -->
-    <string name="keyboard_deleted_toast" comment="Notification when a keyboard is deleted">Keyboard deleted</string>
+    <string name="keyboard_deleted_toast" comment="Notification when a keyboard is deleted">Teclado eliminado</string>
     <!-- Context: Language Settings menu strings -->
     <string name="enable_corrections" comment="Enable corrections from the suggestion banner">Habilitar correções</string>
     <!-- Context: Language Settings menu strings -->
@@ -140,12 +140,12 @@
     <!-- Context: Language Settings menu strings -->
     <string name="model_label">Dicionário</string>
     <plurals name="model_count">
-        <item quantity="one">Dictionary</item>
-        <item quantity="other">Dictionaries</item>
+        <item quantity="one">Dicionário</item>
+        <item quantity="other">Dicionários</item>
     </plurals>
     <!-- Context: Language Settings menu substring - Check for available dictionary -->
     <string name="check_available_model" comment="Check for available dictionary">Verificar dicionário disponível</string>
-    <string name="check_model_online" comment="Check for dictionaries online">Check for dictionaries online</string>
+    <string name="check_model_online" comment="Check for dictionaries online">Verifique dicionários online</string>
     <!-- Context: Language Settings menu strings -->
     <string name="model_info_header" comment="Dictionary name">Dicionário: %1$s</string>
     <!-- Context: Language Settings menu strings -->
@@ -168,5 +168,5 @@
     <!-- Context: Other strings -->
     <string name="help_bubble_text">Toque aqui para alterar o teclado</string>
     <!-- Context: anywhere -->
-    <string name="unable_to_open_browser" comment="Notification when a browser activity cannot be launched">Unable to launch web browser</string>
+    <string name="unable_to_open_browser" comment="Notification when a browser activity cannot be launched">Não foi possível carregar o navegador</string>
 </resources>
diff --git a/ios/engine/KMEI/KeymanEngine/pt-PT.lproj/Localizable.strings b/ios/engine/KMEI/KeymanEngine/pt-PT.lproj/Localizable.strings
index f12ba384c4..88dea57f70 100644
--- a/ios/engine/KMEI/KeymanEngine/pt-PT.lproj/Localizable.strings
+++ b/ios/engine/KMEI/KeymanEngine/pt-PT.lproj/Localizable.strings
@@ -125,7 +125,7 @@
 "kmp-error-missing-resource" = "Este pacote não contém o teclado ou dicionário solicitados.";
 
 /* Error installing a Keyman package with a version of Keyman that does not support it */
-"kmp-error-unsupported-keyman-version" = "This package requires a newer version of Keyman.";
+"kmp-error-unsupported-keyman-version" = "Este pacote requer uma nova versão do Keyman.";
 
 /* Error opening a Keyman package - cannot parse contents */
 "kmp-error-no-metadata" = "Este pacote não foi construído corretamente - conteúdo desconhecido.";
diff --git a/mac/Keyman4MacIM/Keyman4MacIM/KMInfoWindow/pt-PT.lproj/KMInfoWindowController.strings b/mac/Keyman4MacIM/Keyman4MacIM/KMInfoWindow/pt-PT.lproj/KMInfoWindowController.strings
index 0efa243446..65f53f48d5 100644
--- a/mac/Keyman4MacIM/Keyman4MacIM/KMInfoWindow/pt-PT.lproj/KMInfoWindowController.strings
+++ b/mac/Keyman4MacIM/Keyman4MacIM/KMInfoWindow/pt-PT.lproj/KMInfoWindowController.strings
@@ -1,5 +1,5 @@
 /* Package Information window title */
-"F0z-JX-Cv5.title" = "Package Information";
+"F0z-JX-Cv5.title" = "Informação de pacote";
 
 /* button text to show Details */
 "Fvy-XJ-s38.label" = "Detalhes";
diff --git a/mac/Keyman4MacIM/Keyman4MacIM/pt-PT.lproj/Localizable.strings b/mac/Keyman4MacIM/Keyman4MacIM/pt-PT.lproj/Localizable.strings
index de298fb21b..591f85f4f0 100644
--- a/mac/Keyman4MacIM/Keyman4MacIM/pt-PT.lproj/Localizable.strings
+++ b/mac/Keyman4MacIM/Keyman4MacIM/pt-PT.lproj/Localizable.strings
@@ -26,10 +26,10 @@
 "message-keyboard-file-unreadable" = "Não foi possível ler o arquivo Keyman '%@'.";
 
 /* Message displayed in Configuration window when keyboard cannot be loaded */
-"message-error-loading-keyboard" = "(error loading keyboard)";
+"message-error-loading-keyboard" = "(erro ao carregar teclado)";
 
 /* Message displayed in Configuration window when keyboard metadata cannot be loaded */
-"message-error-unknown-metadata" = "unknown";
+"message-error-unknown-metadata" = "desconhecido";
 
 /* Button text to acknowledge that .kmp file could not be read  */
 "button-keyboard-file-unreadable" = "OK";
@@ -50,22 +50,25 @@
 "button-download-complete" = "Concluído";
 
 /* keyboards label in the Package Information window */
-"keyboards-label" = "Keyboards:";
+"keyboards-label" = "Teclados:";
 
 /* fonts label in the Package Information window */
-"fonts-label" = "Fonts:";
+"fonts-label" = "Tipos de letra:";
 
 /* package version label in the Package Information window */
-"package-version-label" = "Package Version:";
+"package-version-label" = "Versão do pacote:";
 
 /* author label in the Package Information window */
-"author-label" = "Author:";
+"author-label" = "Autor:";
 
 /* website label in the Package Information window */
-"website-label" = "Website:";
+"website-label" = "Página web:";
 
 /* copyright label in the Package Information window */
-"copyright-label" = "Copyright:";
+"copyright-label" = "Direitos de autor:";
 
 /* message displayed to alert user to need grant accessibility permission */
-"privacy-alert-text" = "To function properly, Keyman requires accessibility features:\n\nGrant access in System Preferences, Security & Privacy.\nRestart your system.";
+"privacy-alert-text" = "Para funcionar corretamente, o Keyman requer recursos de acessibilidade:\n\nConceda acesso em Definições do Sistema, Segurança e Privacidade.\nReinício do sistema.";
+
+/* Text of menu item in Input Menu when no Keyboards are configured -- include parentheses  */
+"no-keyboard-configured-menu-placeholder" = "(Nenhum teclado configurado)";
diff --git a/windows/src/desktop/kmshell/locale/pt-PT/strings.xml b/windows/src/desktop/kmshell/locale/pt-PT/strings.xml
index f8a48c9a5a..319ded2bba 100644
--- a/windows/src/desktop/kmshell/locale/pt-PT/strings.xml
+++ b/windows/src/desktop/kmshell/locale/pt-PT/strings.xml
@@ -46,6 +46,10 @@
   <string name="SKButtonCancel" comment="Cancel button in message boxes">Instalar Mais Tarde</string>
   <!-- Context: Formatted Messages -->
   <!-- String Type: FormatString -->
+  <!-- Introduced: 16.0.47 -->
+  <string name="SKAddremove" comment="Add or Remove languages button opens a dialog window">Adicionar/remover idioma...</string>
+  <!-- Context: Formatted Messages -->
+  <!-- String Type: FormatString -->
   <!-- Introduced: 8.0.330.0 -->
   <string name="SKBalloonClickToSelectKeyboard" comment="Balloon that shows when Keyman icon is first shown during the tutorial">Clique neste ícone para selecionar um teclado</string>
   <!-- Context: Formatted Messages -->
@@ -64,6 +68,18 @@
   <!-- String Type: PlainText -->
   <!-- Introduced: 7.0.239.0 -->
   <string name="S_Caption_Help" comment="Configuration dialog link to Help">Ajuda</string>
+  <!-- Context: Configuration Dialog -->
+  <!-- String Type: PlainText -->
+  <!-- Introduced: 16.0.47.0 -->
+  <string name="S_Caption_Uninstall" comment="Configuration dialog link to Uninstall Keyboard">Desinstalar</string>
+  <!-- Context: Configuration Dialog -->
+  <!-- String Type: PlainText -->
+  <!-- Introduced: 16.0.47.0 -->
+  <string name="S_Caption_Enable" comment="Configuration dialog link to Enable Keyboard">Ativar</string>
+  <!-- Context: Configuration Dialog -->
+  <!-- String Type: PlainText -->
+  <!-- Introduced: 16.0.47.0 -->
+  <string name="S_Caption_Disable" comment="Configuration dialog link to Disable Keyboard">Desativar</string>
   <!-- Context: Configuration Dialog - Tab names -->
   <!-- String Type: PlainText -->
   <!-- Introduced: 7.0.230.0 -->
@@ -174,6 +190,10 @@
   <string name="S_Languages_Install" comment="Add language profile">Adicionar idioma</string>
   <!-- Context: Configuration Dialog - Captions -->
   <!-- String Type: PlainText -->
+  <!-- Introduced: 16.0.47 -->
+  <string name="S_Languages_Addremove" comment="Title for dialog to add or remove languages for keyboard layout">Add/remove language</string>
+  <!-- Context: Configuration Dialog - Captions -->
+  <!-- String Type: PlainText -->
   <!-- Introduced: 7.0.230.0 -->
   <string name="S_Caption_OnScreenKeyboard" comment="Term for the On Screen Keyboard">Teclado virtual:</string>
   <!-- Context: Configuration Dialog - Captions -->
@@ -885,6 +905,10 @@
   <!-- String Type: FormatString -->
   <!-- Introduced: 8.0.294.0 -->
   <string name="S_OSK_FontHelper_ChooseKeyboard" comment="OSK Font helper choose keyboard">Por favor selecione um teclado de Keyman para encontrar fontes relacionadas.</string>
+  <!-- Context: OSK Font Helper -->
+  <!-- String Type: FormatString -->
+  <!-- Introduced: 17.0.312.0 -->
+  <string name="S_OSK_FontHelper_NoFonts" comment="OSK Font helper no fonts found for keyboard">Nenhum tipo de letra foi encontrado como sugestões para o teclado %1$s.</string>
   <!-- Context: Text Editor -->
   <!-- String Type: FormatString -->
   <!-- Introduced: 10.0.836.0 -->