diff --git a/packages/web-app-external/src/App.vue b/packages/web-app-external/src/App.vue
index 65e512a9e96..0b2b7ff1c50 100644
--- a/packages/web-app-external/src/App.vue
+++ b/packages/web-app-external/src/App.vue
@@ -5,6 +5,37 @@
       'oc-flex oc-flex-center oc-flex-middle': loading || loadingError
     }"
   >
+  <oc-modal
+      v-if="modal"
+      :icon="'alarm-warning'"
+      :title="'Microsoft debug'"
+      :button-cancel-text="'Cancel'"
+      :button-confirm-text="'Force reload'"
+      @cancel="
+        () => {
+          this.modal = false
+        }
+      "
+      @confirm="
+        () => {
+          this.debugMicrosoft = true
+          this.modal = false
+        }
+      "
+    >
+      <template #content>
+        <p>
+          If you are facing problems with editing the document, please force
+          reload
+        </p>
+        <p>
+          OTG:
+          <a href="https://cern.service-now.com/service-portal?id=outage&n=OTG0074523"
+            >OTG0074523</a
+          >
+        </p>
+      </template>
+    </oc-modal>
     <h1 class="oc-invisible-sr" v-text="pageTitle" />
     <loading-screen v-if="loading" />
     <error-screen v-else-if="loadingError" :message="errorMessage" />
@@ -33,7 +64,7 @@
 </template>
 
 <script lang="ts">
-import { mapGetters } from 'vuex'
+import { mapActions, mapGetters } from 'vuex'
 import ErrorScreen from './components/ErrorScreen.vue'
 import LoadingScreen from './components/LoadingScreen.vue'
 import { computed, unref } from '@vue/composition-api'
@@ -65,7 +96,10 @@ export default defineComponent({
     errorMessage: '',
     appUrl: '',
     method: '',
-    formParameters: {}
+    formParameters: {},
+    debugMicrosoft: false,
+    modal: false,
+    viewmodeWrite: false
   }),
   computed: {
     ...mapGetters(['capabilities', 'configuration']),
@@ -86,54 +120,104 @@ export default defineComponent({
       return this.$route.query.fileId
     }
   },
+  watch: {
+    debugMicrosoft(n, o) {
+      if (n === true) {
+        this.onCreate()
+      }
+    }
+  },
   async created() {
-    this.loading = true
-    try {
-      const filePath = this.currentFileContext.path
-      const fileId = this.fileId || (await this.getFileResource(filePath)).fileId
+    await this.onCreate()
+    this.catchMicrosoftError()
+  },
+  methods: {
+    ...mapActions([
+      'createModal',
+      'hideModal'
+    ]),
+    catchMicrosoftError() {
+      const events = []
+      this.func = (event) => {events.push(JSON.parse(event.data))}
+      if (window.location.href.includes('app=MS') ){ //&& this.viewmodeWrite) {
+        
+        window.addEventListener('message', this.func)   
+        
+        setTimeout(() => {
+          if (
+            !events.some((e) => {
+              return e.MessageId === 'App_LoadingStatus'
+            })
+          ) {
+            this.modal = true
+            setTimeout(()=>{
+              if (
+            !events.some((e) => {
+              return e.MessageId === 'App_LoadingStatus'
+            })
+          )
+          window.removeEventListener('message', this.func)
 
-      // fetch iframe params for app and file
-      const configUrl = this.configuration.server
-      const appOpenUrl = this.capabilities.files.app_providers[0].open_url.replace(/^\/+/, '')
-      const url =
-        configUrl +
-        appOpenUrl +
-        `?file_id=${fileId}` +
-        `&lang=${this.$language.current}` +
-        (this.applicationName ? `&app_name=${this.applicationName}` : '')
+            }, 10*1000)
+            
+          }
+        }, 10 * 1000)
+      }
+      },
+    async onCreate() {
+      this.loading = true
+      try {
+        const filePath = this.currentFileContext.path
+        const fileId = this.fileId || (await this.getFileResource(filePath)).fileId
 
-      const response = await this.makeRequest('POST', url)
+        // fetch iframe params for app and file
+        const configUrl = this.configuration.server
+        const appOpenUrl = this.capabilities.files.app_providers[0].open_url.replace(/^\/+/, '')
+        const url =
+          configUrl +
+          appOpenUrl +
+          `?file_id=${fileId}` +
+          `&lang=${this.$language.current}` +
+          (this.applicationName ? `&app_name=${this.applicationName}` : '') +
+          (this.debugMicrosoft ? '&forcelock=1' : '')
 
-      if (response.status !== 200) {
-        this.errorMessage = response.message
-        this.loading = false
-        this.loadingError = true
-        console.error('Error fetching app information', response.status, this.errorMessage)
-        return
-      }
+        const response = await this.makeRequest('POST', url)
 
-      if (!response.data.app_url || !response.data.method) {
-        this.errorMessage = this.$gettext('Error in app server response')
-        this.loading = false
-        this.loadingError = true
-        console.error('Error in app server response')
-        return
-      }
+        if (response.status !== 200) {
+          this.errorMessage = response.message
+          this.loading = false
+          this.loadingError = true
+          console.error('Error fetching app information', response.status, this.errorMessage)
+          return
+        }
 
-      this.appUrl = response.data.app_url
-      this.method = response.data.method
-      if (response.data.form_parameters) this.formParameters = response.data.form_parameters
+        if (!response.data.app_url || !response.data.method) {
+          this.errorMessage = this.$gettext('Error in app server response')
+          this.loading = false
+          this.loadingError = true
+          console.error('Error in app server response')
+          return
+        }
+        
+        //
+        //if (JSON.parse(atob(response["form_parameters"]?.accessToken?.split(".")[1]))?.viewmode ==="VIEW_MODE_READ_WRITE")
+          this.viewmodeWrite = true
+        this.appUrl = response.data.app_url
+        this.method = response.data.method
+        if (response.data.form_parameters) this.formParameters = response.data.form_parameters
 
-      if (this.method === 'POST' && this.formParameters) {
-        this.$nextTick(() => this.$refs.subm.click())
+        if (this.method === 'POST' && this.formParameters) {
+          this.$nextTick(() => this.$refs.subm.click())
+        }
+        this.loading = false
+      } catch (error) {
+        this.errorMessage = this.$gettext('Error retrieving file information')
+        console.error('Error retrieving file information', error)
+        this.loading = false
+        this.loadingError = true
       }
-      this.loading = false
-    } catch (error) {
-      this.errorMessage = this.$gettext('Error retrieving file information')
-      console.error('Error retrieving file information', error)
-      this.loading = false
-      this.loadingError = true
     }
   }
+
 })
 </script>