diff --git a/changelog/unreleased/bugfix-respect-new-tab-config-for-external-apps b/changelog/unreleased/bugfix-respect-new-tab-config-for-external-apps
new file mode 100644
index 00000000000..e6e7006436f
--- /dev/null
+++ b/changelog/unreleased/bugfix-respect-new-tab-config-for-external-apps
@@ -0,0 +1,6 @@
+Bugfix: Respect the open-in-new-tab-config for external apps
+
+The `WEB_OPTION_OPEN_APPS_IN_TAB` is now being respected correctly when opening files with external apps.
+
+https://github.com/owncloud/web/pull/9663
+https://github.com/owncloud/web/issues/9630
diff --git a/packages/web-app-files/src/composables/actions/files/useFileActions.ts b/packages/web-app-files/src/composables/actions/files/useFileActions.ts
index b4481134561..7fae0f76084 100644
--- a/packages/web-app-files/src/composables/actions/files/useFileActions.ts
+++ b/packages/web-app-files/src/composables/actions/files/useFileActions.ts
@@ -325,8 +325,10 @@ export const useFileActions = ({ store }: { store?: Store<any> } = {}) => {
       ...routeOpts.query
     } as any
 
-    // TODO: Let users configure whether to open in same/new tab (`_blank` vs `_self`)
-    openUrl(router.resolve(routeOpts).href, '_blank')
+    openUrl(
+      router.resolve(routeOpts).href,
+      configurationManager.options.openAppsInTab ? '_blank' : '_self'
+    )
   }
 
   return {
diff --git a/packages/web-pkg/src/configuration/manager.ts b/packages/web-pkg/src/configuration/manager.ts
index ef9e251e7c4..1b8ddfb7fbb 100644
--- a/packages/web-pkg/src/configuration/manager.ts
+++ b/packages/web-pkg/src/configuration/manager.ts
@@ -90,6 +90,7 @@ export class ConfigurationManager {
       get(options, 'contextHelpersReadMore', true)
     )
     set(this.optionsConfiguration, 'contextHelpers', get(options, 'contextHelpers', true))
+    set(this.optionsConfiguration, 'openAppsInTab', get(options, 'openAppsInTab', false))
     set(
       this.optionsConfiguration,
       'openLinksWithDefaultApp',
diff --git a/packages/web-pkg/src/configuration/types.ts b/packages/web-pkg/src/configuration/types.ts
index 42db3d4f026..3f3f6e4eda4 100644
--- a/packages/web-pkg/src/configuration/types.ts
+++ b/packages/web-pkg/src/configuration/types.ts
@@ -20,6 +20,7 @@ export interface OptionsConfiguration {
   logoutUrl?: string
   contextHelpersReadMore?: boolean
   contextHelpers?: boolean
+  openAppsInTab?: boolean
   openLinksWithDefaultApp?: boolean
   tokenStorageLocal?: boolean
 }