diff --git a/lib/Conversion/ConversionProvider.php b/lib/Conversion/ConversionProvider.php
index 68dfb34e34..afc4221108 100644
--- a/lib/Conversion/ConversionProvider.php
+++ b/lib/Conversion/ConversionProvider.php
@@ -58,7 +58,11 @@ public function __construct(
 	}
 
 	public function getSupportedMimeTypes(): array {
-		$toPdf = array_merge(
+		$documents = self::MIME_TYPES['documents'];
+		$sheets = self::MIME_TYPES['sheets'];
+		$presentations = self::MIME_TYPES['presentations'];
+
+		$pdfConversions = array_merge(
 			[],
 			self::MIME_TYPES['documents'],
 			self::MIME_TYPES['sheets'],
@@ -66,7 +70,48 @@ public function getSupportedMimeTypes(): array {
 			self::MIME_TYPES['drawings'],
 		);
 
-		return [...$this->getMimeProvidersFor($toPdf, 'application/pdf')];
+		$documentConversions = [
+			// OpenDocument Text to Word Document
+			'docx' => [$documents['odt']],
+
+			// Word Document to OpenDocument Text
+			'odt' => [$documents['doc'], $documents['docx']],
+		];
+
+		$spreadsheetConversions = [
+			// OpenDocument Spreadsheet to Excel Workbook
+			'xlsx' => [$sheets['ods']],
+
+			// Excel Workbook to OpenDocument Spreadsheet
+			'ods' => [$sheets['xls'], $sheets['xlsx']],
+		];
+
+		$presentationConversions = [
+			// OpenDocument Presentation to PowerPoint Presentation
+			'pptx' => [$presentations['odp']],
+
+			// PowerPoint Presentation to OpenDocument Presentation
+			'odp' => [$presentations['ppt'], $presentations['pptx']],
+		];
+
+		
+
+		return [
+			// PDF conversions
+			...$this->getMimeProvidersFor($toPdf, 'application/pdf'),
+
+			// Document conversions
+			...$this->getMimeProvidersFor($documentConversions['docx'], $documents['docx']),
+			...$this->getMimeProvidersFor($documentConversions['odt'], $documents['odt']),
+
+			// Spreadsheet conversions
+			...$this->getMimeProvidersFor($spreadsheetConversions['xlsx'], $sheets['xlsx']),
+			...$this->getMimeProvidersFor($spreadsheetConversions['ods'], $sheets['ods']),
+
+			// Presentation conversions
+			...$this->getMimeProvidersFor($presentationConversions['pptx'], $presentations['pptx']),
+			...$this->getMimeProvidersFor($presentationConversions['odp'], $presentations['odp']),
+		];
 	}
 
 	public function convertFile(File $file, string $targetMimeType): mixed {
@@ -113,18 +158,46 @@ private function getMimeInfoFor(string $targetMimeType): ?array {
 	}
 
 	private function getTargetMimeTypes(): array {
+		$documents = self::MIME_TYPES['documents'];
+		$sheets = self::MIME_TYPES['sheets'];
+		$presentations = self::MIME_TYPES['presentations'];
+
 		return [
 			'application/pdf' => [
 				'extension' => 'pdf',
 				'displayName' => $this->l10n->t('Portable Document Format (.pdf)'),
 			],
+			$documents['docx'] => [
+				'extension' => 'docx',
+				'displayName' => $this->l10n->t('Word Document (.docx)'),
+			],
+			$documents['odt'] => [
+				'extension' => 'odt',
+				'displayName' => $this->l10n->t('OpenDocument Text (.odt)'),
+			],
+			$sheets['xlsx'] => [
+				'extension' => 'xlsx',
+				'displayName' => $this->l10n->t('Excel Workbook (.xlsx)'),
+			],
+			$sheets['ods'] => [
+				'extension' => 'ods',
+				'displayName' => $this->l10n->t('OpenDocument Spreadsheet (.ods)'),
+			],
+			$presentations['pptx'] => [
+				'extension' => 'pptx',
+				'displayName' => $this->l10n->t('PowerPoint Presentation (.pptx)'),
+			],
+			$presentations['odp'] => [
+				'extension' => 'odp',
+				'displayName' => $this->l10n->t('OpenDocument Presentation (.odp)'),
+			],
 		];
 	}
 
 	private function getExtensionForMimeType(string $mimeType): ?string {
-		foreach ($this->getTargetMimeTypes() as $targetMimeType) {
-			if ($targetMimeType['mime_type'] === $mimeType) {
-				return $targetMimeType['extension'];
+		foreach ($this->getTargetMimeTypes() as $targetMimeType => $targetMimeInfo) {
+			if ($targetMimeType === $mimeType) {
+				return $targetMimeInfo['extension'];
 			}
 		}