diff --git a/tdrive/backend/node/src/services/documents/services/index.ts b/tdrive/backend/node/src/services/documents/services/index.ts
index 0ba2e802..5e82cb85 100644
--- a/tdrive/backend/node/src/services/documents/services/index.ts
+++ b/tdrive/backend/node/src/services/documents/services/index.ts
@@ -977,6 +977,8 @@ export class DocumentsService {
       return null;
     }
 
+    //TODO: This needs to try in a loop depending on oo-connector response
+    //       when there is already a key
     let newKey: string;
     try {
       newKey = EditingSessionKeyFormat.generate(
@@ -986,6 +988,7 @@ export class DocumentsService {
         context.user.id,
       );
     } catch (e) {
+      logger.error(`Error generating new editing_session_key: ${e}`, { error: e });
       CrudException.throwMe(e, new CrudException("Error generating new editing_session_key", 500));
     }
 
@@ -1026,12 +1029,15 @@ export class DocumentsService {
    * @param editing_session_key Editing key of the DriveFile
    * @param file Multipart files from the incoming http request
    * @param options Optional upload information from the request
+   * @param keepEditing If `true`, the file will be saved as a new version,
+   *  and the DriveFile will keep its editing_session_key. If `true`, a file is required.
    * @param context
    */
-  endEditing = async (
+  updateEditing = async (
     editing_session_key: string,
     file: MultipartFile,
     options: UploadOptions,
+    keepEditing: boolean,
     context: CompanyExecutionContext,
   ) => {
     if (!context) {
@@ -1043,6 +1049,7 @@ export class DocumentsService {
       throw new CrudException("Invalid editing_session_key", 400);
     }
 
+    //TODO If the app is the "user" calling, set user to that from the parsed key
     try {
       const parsedKey = EditingSessionKeyFormat.parse(editing_session_key);
       context = {
@@ -1087,26 +1094,31 @@ export class DocumentsService {
         },
         context,
       );
+    } else if (keepEditing) {
+      this.logger.error("Inconsistent endEditing call");
+      throw new CrudException("Inconsistent endEditing call", 500);
     }
 
-    try {
-      const result = await this.repository.atomicCompareAndSet(
-        driveFile,
-        "editing_session_key",
-        editing_session_key,
-        null,
-      );
-      if (!result.didSet)
-        throw new Error(
-          `Couldn't set editing_session_key ${JSON.stringify(
-            editing_session_key,
-          )} on DriveFile ${JSON.stringify(driveFile.id)} because it is ${JSON.stringify(
-            result.currentValue,
-          )}`,
+    if (!keepEditing) {
+      try {
+        const result = await this.repository.atomicCompareAndSet(
+          driveFile,
+          "editing_session_key",
+          editing_session_key,
+          null,
         );
-    } catch (error) {
-      logger.error({ error: `${error}` }, "Failed to cancel editing Drive item");
-      CrudException.throwMe(error, new CrudException("Failed to cancel editing Drive item", 500));
+        if (!result.didSet)
+          throw new Error(
+            `Couldn't set editing_session_key ${JSON.stringify(
+              editing_session_key,
+            )} on DriveFile ${JSON.stringify(driveFile.id)} because it is ${JSON.stringify(
+              result.currentValue,
+            )}`,
+          );
+      } catch (error) {
+        logger.error({ error: `${error}` }, "Failed to cancel editing Drive item");
+        CrudException.throwMe(error, new CrudException("Failed to cancel editing Drive item", 500));
+      }
     }
   };
 
diff --git a/tdrive/backend/node/src/services/documents/web/controllers/documents.ts b/tdrive/backend/node/src/services/documents/web/controllers/documents.ts
index c654a21c..a094f604 100644
--- a/tdrive/backend/node/src/services/documents/web/controllers/documents.ts
+++ b/tdrive/backend/node/src/services/documents/web/controllers/documents.ts
@@ -381,10 +381,11 @@ export class DocumentsController {
 
       if (!editing_session_key) throw new CrudException("Missing editing_session_key", 400);
 
-      return await globalResolver.services.documents.documents.endEditing(
+      return await globalResolver.services.documents.documents.updateEditing(
         editing_session_key,
         null,
         null,
+        false,
         context,
       );
     } catch (error) {
@@ -394,12 +395,13 @@ export class DocumentsController {
   };
   //TODO: will need a save under session key, but without ending the edit (for force saves)
   /**
-   * Finish an editing session for a given `editing_session_key` by uploading the new version of the File
+   * Finish an editing session for a given `editing_session_key` by uploading the new version of the File.
+   * Unless the `keepEditing` query param is `true`, then just save and stay in editing mode.
    */
-  endEditing = async (
+  updateEditing = async (
     request: FastifyRequest<{
       Params: ItemRequestByEditingSessionKeyParams;
-      Querystring: Record<string, string>;
+      Querystring: { keepEditing?: string };
       Body: {
         item: Partial<DriveFile>;
         version: Partial<FileVersion>;
@@ -423,17 +425,19 @@ export class DocumentsController {
         waitForThumbnail: !!q.thumbnail_sync,
         ignoreThumbnails: false,
       };
-      return await globalResolver.services.documents.documents.endEditing(
+      return await globalResolver.services.documents.documents.updateEditing(
         editing_session_key,
         file,
         options,
+        request.query.keepEditing == "true",
         context,
       );
     } else {
-      return await globalResolver.services.documents.documents.endEditing(
+      return await globalResolver.services.documents.documents.updateEditing(
         editing_session_key,
         null,
         null,
+        true,
         context,
       );
     }
diff --git a/tdrive/backend/node/src/services/documents/web/routes.ts b/tdrive/backend/node/src/services/documents/web/routes.ts
index 9da696fd..25fde912 100644
--- a/tdrive/backend/node/src/services/documents/web/routes.ts
+++ b/tdrive/backend/node/src/services/documents/web/routes.ts
@@ -99,7 +99,7 @@ const routes: FastifyPluginCallback = (fastify: FastifyInstance, _options, next)
     method: "POST",
     url: editingSessionBase,
     preValidation: [fastify.authenticateOptional],
-    handler: documentsController.endEditing.bind(documentsController),
+    handler: documentsController.updateEditing.bind(documentsController),
   });
 
   fastify.route({
diff --git a/tdrive/connectors/onlyoffice-connector/src/interfaces/drive.interface.ts b/tdrive/connectors/onlyoffice-connector/src/interfaces/drive.interface.ts
index af8da61d..d3195931 100644
--- a/tdrive/connectors/onlyoffice-connector/src/interfaces/drive.interface.ts
+++ b/tdrive/connectors/onlyoffice-connector/src/interfaces/drive.interface.ts
@@ -21,6 +21,7 @@ export interface IDriveService {
   get: (params: DriveRequestParams) => Promise<DriveFileType>;
   createVersion: (params: { company_id: string; drive_file_id: string; file_id: string }) => Promise<DriveFileType['item']['last_version_cache']>;
   beginEditingSession: (company_id: string, drive_file_id: string) => Promise<string>;
+  addEditingSessionVersion: (editing_session_key: string, url: string) => Promise<void>;
   endEditing: (editing_session_key: string, url: string) => Promise<void>;
   getByEditingSessionKey: (params: { company_id: string; editing_session_key: string; user_token?: string }) => Promise<DriveFileType['item']>;
 }
diff --git a/tdrive/connectors/onlyoffice-connector/src/services/drive.service.ts b/tdrive/connectors/onlyoffice-connector/src/services/drive.service.ts
index cf464406..6ba08b76 100644
--- a/tdrive/connectors/onlyoffice-connector/src/services/drive.service.ts
+++ b/tdrive/connectors/onlyoffice-connector/src/services/drive.service.ts
@@ -54,6 +54,7 @@ class DriveService implements IDriveService {
     try {
       const resource = await apiService.post<{}, { editingSessionKey: string }>({
         url: `/internal/services/documents/v1/companies/${company_id}/item/${drive_file_id}/editing_session`,
+        token: user_token,
         payload: {
           editorApplicationId: 'tdrive_onlyoffice',
           appInstanceId: INSTANCE_ID ?? '',
@@ -82,7 +83,15 @@ class DriveService implements IDriveService {
     }
   }
 
-  public async endEditing(editing_session_key: string, url: string) {
+  public async addEditingSessionVersion(editing_session_key: string, url: string, user_token?: string) {
+    return this.updateEditing(editing_session_key, url, true, user_token);
+  }
+
+  public async endEditing(editing_session_key: string, url: string, user_token?: string) {
+    return this.updateEditing(editing_session_key, url, false, user_token);
+  }
+
+  private async updateEditing(editing_session_key: string, url: string, keepEditing: boolean, user_token?: string) {
     try {
       if (!url) {
         throw Error('no url found');
@@ -109,9 +118,12 @@ class DriveService implements IDriveService {
 
       logger.info('Saving file version to Twake Drive: ', filename);
 
+      const queryString = keepEditing ? '?keepEditing=true' : '';
+
       await apiService.post({
-        url: `/internal/services/documents/v1/editing_session/${encodeURIComponent(editing_session_key)}`,
+        url: `/internal/services/documents/v1/editing_session/${encodeURIComponent(editing_session_key)}` + queryString,
         payload: form,
+        token: user_token,
         headers: form.getHeaders(),
       });
     } catch (error) {