diff --git a/lib/Capabilities.php b/lib/Capabilities.php
index 45e9bdd5f6..fa0d03e782 100644
--- a/lib/Capabilities.php
+++ b/lib/Capabilities.php
@@ -43,10 +43,14 @@ class Capabilities implements ICapability {
 		'application/vnd.visio',
 		'application/vnd.ms-visio.drawing',
 		'application/vnd.wordperfect',
-		'application/msonenote',
-		'application/msword',
 		'application/rtf',
 		'text/rtf',
+		'text/csv'
+	];
+
+	const MIMETYPES_MSOFFICE = [
+		'application/msonenote',
+		'application/msword',
 		'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
 		'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
 		'application/vnd.ms-word.document.macroEnabled.12',
@@ -66,7 +70,6 @@ class Capabilities implements ICapability {
 		'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
 		'application/vnd.ms-powerpoint.template.macroEnabled.12',
 		'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
-		'text/csv'
 	];
 
 	public const MIMETYPES_OPTIONAL = [
@@ -104,25 +107,33 @@ public function getCapabilities() {
 
 		if (!$this->capabilities) {
 			$collaboraCapabilities = $this->capabilitiesService->getCapabilities();
-			$filteredMimetypes = self::MIMETYPES;
+
+			$defaultMimetypes = self::MIMETYPES;
 			$optionalMimetypes = self::MIMETYPES_OPTIONAL;
+
+			if (!$this->capabilitiesService->hasOtherOOXMLApps()) {
+				array_push($defaultMimetypes, ...self::MIMETYPES_MSOFFICE);
+			} else {
+				array_push($optionalMimetypes, ...self::MIMETYPES_MSOFFICE);
+			}
+
 			// If version is too old, draw is not supported
 			if (!$this->capabilitiesService->hasDrawSupport()) {
-				$filteredMimetypes = array_diff($filteredMimetypes, [
+				$defaultMimetypes = array_diff($defaultMimetypes, [
 					'application/vnd.oasis.opendocument.graphics',
 					'application/vnd.oasis.opendocument.graphics-flat-xml',
 				]);
 			}
 
 			if (!$this->appManager->isEnabledForUser('files_pdfviewer')) {
-				$filteredMimetypes[] = 'application/pdf';
+				$defaultMimetypes[] = 'application/pdf';
 				$optionalMimetypes = array_diff($optionalMimetypes, ['application/pdf']);
 			}
 
 			$this->capabilities = [
 				'richdocuments' => [
 					'version' => \OC::$server->getAppManager()->getAppVersion('richdocuments'),
-					'mimetypes' => array_values($filteredMimetypes),
+					'mimetypes' => array_values($defaultMimetypes),
 					'mimetypesNoDefaultOpen' => array_values($optionalMimetypes),
 					'collabora' => $collaboraCapabilities,
 					'direct_editing' => isset($collaboraCapabilities['hasMobileSupport']) && $this->config->getAppValue('mobile_editing') ?: false,
diff --git a/lib/Service/CapabilitiesService.php b/lib/Service/CapabilitiesService.php
index 081024d552..9d32b1a51b 100644
--- a/lib/Service/CapabilitiesService.php
+++ b/lib/Service/CapabilitiesService.php
@@ -112,6 +112,14 @@ public function getProductName(): string {
 		return $this->l10n->t('Nextcloud Office');
 	}
 
+	public function hasOtherOOXMLApps(): bool {
+		if ($this->appManager->isEnabledForUser('onlyoffice')) {
+			return true;
+		}
+
+		return false;
+	}
+
 	public function clear(): void {
 		$this->cache->remove('capabilities');
 	}