diff --git a/src/pages/Main.vue b/src/pages/Main.vue
index 3dd3a6f..8c5b049 100644
--- a/src/pages/Main.vue
+++ b/src/pages/Main.vue
@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { ref, computed, onMounted, watch, nextTick, defineAsyncComponent } from 'vue'
 import { useDisplay } from 'vuetify'
-import { useModuleStore, useIntegrationStore } from '@KTXC'
+import { useModuleStore, useIntegrationStore, usePreviewStore } from '@KTXC'
 import { useDocumentManager, useDocumentSelection, useFileUpload, useFileEditor } from '@/composables'
 import type { ViewMode, SortField, SortOrder, BreadcrumbItem } from '@/types'
 import { CollectionObject } from '@DocumentsManager/models/collection'
@@ -31,6 +31,8 @@ const isMobile = computed(() => display.mdAndDown.value)
 
 const moduleStore = useModuleStore()
 const integrationStore = useIntegrationStore()
+const previewStore = usePreviewStore()
+const previewsAvailable = computed(() => previewStore.availability.storage)
 const isFileManagerAvailable = computed(() => {
   return moduleStore.has('documents_manager') || moduleStore.has('DocumentsManager')
 })
@@ -128,7 +130,10 @@ function entityToViewerItem(entity: EntityObject): ViewerItem {
   }
 }
 
-function resolveViewerSource(item: ViewerItem): string {
+function resolveViewerSource(item: ViewerItem): string | Promise<string> {
+  if (!previewsAvailable.value) {
+    return Promise.reject(new Error('Preview storage is unavailable'))
+  }
   return documentManager.getEntityPreviewUrl(
     item.id,
     (item.meta?.collection as string | null) ?? null,
@@ -154,6 +159,7 @@ function resolveThumbnailSource(item: ViewerItem): string {
 
 // Preview shown in the info panel sidebar for the current single selection
 const infoPanelPreviewUrl = computed<string | null>(() => {
+  if (!previewsAvailable.value) return null
   const items = selection.selectedNodeArray.value
   if (items.length !== 1) return null
   const item = items[0]
@@ -815,8 +821,8 @@ onMounted(async () => {
                 :collections="sortedItems.collections"
                 :entities="sortedItems.entities"
                 :selected-ids="selectedIds"
-                :preview-source="resolvePreviewSource"
-                :thumbnail-source="resolveThumbnailSource"
+                :preview-source="previewsAvailable ? resolvePreviewSource : undefined"
+                :thumbnail-source="previewsAvailable ? resolveThumbnailSource : undefined"
                 @item-click="handleItemClick"
                 @open="handleOpenItem"
                 @edit="handleEditItem"
@@ -832,8 +838,8 @@ onMounted(async () => {
                 :collections="sortedItems.collections"
                 :entities="sortedItems.entities"
                 :selected-ids="selectedIds"
-                :preview-source="resolvePreviewSource"
-                :thumbnail-source="resolveThumbnailSource"
+                :preview-source="previewsAvailable ? resolvePreviewSource : undefined"
+                :thumbnail-source="previewsAvailable ? resolveThumbnailSource : undefined"
                 @item-click="handleItemClick"
                 @open="handleOpenItem"
                 @edit="handleEditItem"
@@ -849,8 +855,8 @@ onMounted(async () => {
                 :collections="sortedItems.collections"
                 :entities="sortedItems.entities"
                 :selected-ids="selectedIds"
-                :preview-source="resolvePreviewSource"
-                :thumbnail-source="resolveThumbnailSource"
+                :preview-source="previewsAvailable ? resolvePreviewSource : undefined"
+                :thumbnail-source="previewsAvailable ? resolveThumbnailSource : undefined"
                 @item-click="handleItemClick"
                 @open="handleOpenItem"
                 @edit="handleEditItem"