diff --git a/backend/src/main/java/core/api/models/timemanager/tasks/repeatinginfo/TaskRepeatDayInfo.java b/backend/src/main/java/core/api/models/timemanager/tasks/repeatinginfo/TaskRepeatDayInfo.java
index 65d91c9..a188057 100644
--- a/backend/src/main/java/core/api/models/timemanager/tasks/repeatinginfo/TaskRepeatDayInfo.java
+++ b/backend/src/main/java/core/api/models/timemanager/tasks/repeatinginfo/TaskRepeatDayInfo.java
@@ -1,5 +1,7 @@
 package core.api.models.timemanager.tasks.repeatinginfo;
 
+import com.fasterxml.jackson.annotation.JsonFormat;
+
 import java.time.LocalDate;
 
 public class TaskRepeatDayInfo {
@@ -7,7 +9,8 @@ public class TaskRepeatDayInfo {
     private int offset;
     private DeadlineStrategy deadlineStrategy;
 
-    private LocalDate endDate;
+    @JsonFormat(pattern = "yyyy-MM-dd'T'HH:mm:ss.SSSXXX")
+    private LocalDate endingDate;
 
     public int getOffset() {
         return offset;
@@ -25,11 +28,11 @@ public class TaskRepeatDayInfo {
         this.deadlineStrategy = deadlineStrategy;
     }
 
-    public LocalDate getEndDate() {
-        return endDate;
+    public LocalDate getEndingDate() {
+        return endingDate;
     }
 
-    public void setEndDate(LocalDate endDate) {
-        this.endDate = endDate;
+    public void setEndingDate(LocalDate endingDate) {
+        this.endingDate = endingDate;
     }
 }
diff --git a/backend/src/main/java/core/services/TaskSeriesService.java b/backend/src/main/java/core/services/TaskSeriesService.java
index 278ecf2..4c6ec67 100644
--- a/backend/src/main/java/core/services/TaskSeriesService.java
+++ b/backend/src/main/java/core/services/TaskSeriesService.java
@@ -30,7 +30,7 @@ public class TaskSeriesService {
         LocalDate currentTaskDate = rootTask.getStartDate().plusDays(taskRepeatInfo.getOffset());
         TaskSerie taskSerie = new TaskSerie();
         int index = 1;
-        while(currentTaskDate.isBefore(taskRepeatInfo.getEndDate())) {
+        while(currentTaskDate.isBefore(taskRepeatInfo.getEndingDate())) {
             Task task = Task.cloneTask(rootTask);
             task.setStartDate(currentTaskDate);
             if(taskRepeatInfo.getDeadlineStrategy() == DeadlineStrategy.DEADLINE_EQUAL_START) {
@@ -45,6 +45,7 @@ public class TaskSeriesService {
             index++;
         }
 
+        taskSeriesRepository.save(taskSerie);
         taskRepository.saveAll(taskSerie.getTasks());
         return ServiceExitCode.OK;
     }
diff --git a/frontend/src/api/.openapi-generator/FILES b/frontend/src/api/.openapi-generator/FILES
index 3595c4b..3469f4b 100644
--- a/frontend/src/api/.openapi-generator/FILES
+++ b/frontend/src/api/.openapi-generator/FILES
@@ -10,6 +10,7 @@ api/properties.service.ts
 api/schedule.service.ts
 api/task.service.ts
 api/taskgroup.service.ts
+api/taskseries.service.ts
 api/users.service.ts
 configuration.ts
 encoder.ts
@@ -47,6 +48,7 @@ model/simpleStatusResponse.ts
 model/taskEntityInfo.ts
 model/taskFieldInfo.ts
 model/taskOverviewInfo.ts
+model/taskRepeatDayInfo.ts
 model/taskScheduleStopResponse.ts
 model/taskShortInfo.ts
 model/taskTaskgroupInfo.ts
diff --git a/frontend/src/api/api.module.ts b/frontend/src/api/api.module.ts
index 63562e7..f2f84b6 100644
--- a/frontend/src/api/api.module.ts
+++ b/frontend/src/api/api.module.ts
@@ -10,6 +10,7 @@ import { PropertiesService } from './api/properties.service';
 import { ScheduleService } from './api/schedule.service';
 import { TaskService } from './api/task.service';
 import { TaskgroupService } from './api/taskgroup.service';
+import { TaskseriesService } from './api/taskseries.service';
 import { UsersService } from './api/users.service';
 
 @NgModule({
diff --git a/frontend/src/api/api/api.ts b/frontend/src/api/api/api.ts
index 75dbaae..37fe840 100644
--- a/frontend/src/api/api/api.ts
+++ b/frontend/src/api/api/api.ts
@@ -14,6 +14,8 @@ export * from './task.service';
 import { TaskService } from './task.service';
 export * from './taskgroup.service';
 import { TaskgroupService } from './taskgroup.service';
+export * from './taskseries.service';
+import { TaskseriesService } from './taskseries.service';
 export * from './users.service';
 import { UsersService } from './users.service';
-export const APIS = [AccountService, HistoryService, LoginService, NtfyService, PropertiesService, ScheduleService, TaskService, TaskgroupService, UsersService];
+export const APIS = [AccountService, HistoryService, LoginService, NtfyService, PropertiesService, ScheduleService, TaskService, TaskgroupService, TaskseriesService, UsersService];
diff --git a/frontend/src/api/model/models.ts b/frontend/src/api/model/models.ts
index 028c0ee..b09b6a8 100644
--- a/frontend/src/api/model/models.ts
+++ b/frontend/src/api/model/models.ts
@@ -29,6 +29,7 @@ export * from './simpleStatusResponse';
 export * from './taskEntityInfo';
 export * from './taskFieldInfo';
 export * from './taskOverviewInfo';
+export * from './taskRepeatDayInfo';
 export * from './taskScheduleStopResponse';
 export * from './taskShortInfo';
 export * from './taskTaskgroupInfo';
diff --git a/frontend/src/api/model/ntfyInformation.ts b/frontend/src/api/model/ntfyInformation.ts
index 5919525..1803174 100644
--- a/frontend/src/api/model/ntfyInformation.ts
+++ b/frontend/src/api/model/ntfyInformation.ts
@@ -23,7 +23,7 @@ export interface NtfyInformation {
     /**
      * username of ntfy account for publishing news
      */
-    ntfy_user: string;
+    ntfy_user?: string;
     /**
      * token to ntfy useraccount
      */
diff --git a/frontend/src/app/app.module.ts b/frontend/src/app/app.module.ts
index 61f2d42..080df50 100644
--- a/frontend/src/app/app.module.ts
+++ b/frontend/src/app/app.module.ts
@@ -91,6 +91,8 @@ import {MatGridListModule} from "@angular/material/grid-list";
 import { StopScheduleManuallyComponent } from './dashboard/active-schedule/stop-schedule-manually/stop-schedule-manually.component';
 import { ConnectionSettingsComponent } from './user-settings/connection-settings/connection-settings.component';
 import { NtfySettingsComponent } from './user-settings/connection-settings/ntfy-settings/ntfy-settings.component';
+import { TaskSeriesCreatorComponent } from './tasks/task-series-creator/task-series-creator.component';
+import {MatStepperModule} from "@angular/material/stepper";
 @NgModule({
   declarations: [
     AppComponent,
@@ -138,6 +140,7 @@ import { NtfySettingsComponent } from './user-settings/connection-settings/ntfy-
     StopScheduleManuallyComponent,
     ConnectionSettingsComponent,
     NtfySettingsComponent,
+    TaskSeriesCreatorComponent,
   ],
   imports: [
     BrowserModule,
@@ -181,6 +184,7 @@ import { NtfySettingsComponent } from './user-settings/connection-settings/ntfy-
     NgApexchartsModule,
     MatButtonToggleModule,
     MatGridListModule,
+    MatStepperModule,
   ],
   providers: [
     HttpClientModule,
diff --git a/frontend/src/app/tasks/task-detail-overview/task-detail-overview.component.html b/frontend/src/app/tasks/task-detail-overview/task-detail-overview.component.html
index d745f2b..7b87743 100644
--- a/frontend/src/app/tasks/task-detail-overview/task-detail-overview.component.html
+++ b/frontend/src/app/tasks/task-detail-overview/task-detail-overview.component.html
@@ -29,7 +29,7 @@
           <button mat-flat-button class="borderless-btn" color="primary" [routerLink]="['/taskgroups', taskgroup!.taskgroupID, 'tasks', task!.taskID, 'schedule']">Schedule</button>
           <button mat-flat-button class="yellowBtn" (click)="startTaskNow()">Start now</button>
           <button mat-flat-button class="grayBtn" (click)="openTaskEditor()">Edit</button>
-          <!--<button mat-raised-button>Copy</button>-->
+          <button mat-flat-button class="lightBlueBtn" (click)="openRepeatingTaskEditor()">Copy</button>
           <button mat-flat-button class="greenBtn"  *ngIf="task!.finishable" (click)="finishTask()">{{task!.finished ? 'Reopen':'Finish'}}</button>
         </div>
 
diff --git a/frontend/src/app/tasks/task-detail-overview/task-detail-overview.component.ts b/frontend/src/app/tasks/task-detail-overview/task-detail-overview.component.ts
index e28a744..d557009 100644
--- a/frontend/src/app/tasks/task-detail-overview/task-detail-overview.component.ts
+++ b/frontend/src/app/tasks/task-detail-overview/task-detail-overview.component.ts
@@ -17,6 +17,7 @@ import {TaskEditorData} from "../task-editor/TaskEditorData";
 import * as moment from "moment";
 import {ScheduleDashboardComponent} from "../../schedules/schedule-dashboard/schedule-dashboard.component";
 import {TaskStatusService} from "../task-status.service";
+import {TaskSeriesCreatorComponent} from "../task-series-creator/task-series-creator.component";
 
 @Component({
   selector: 'app-task-detail-overview',
@@ -158,4 +159,11 @@ export class TaskDetailOverviewComponent implements OnInit {
       }
     })
   }
+
+  openRepeatingTaskEditor() {
+    const dialogRef = this.dialog.open(TaskSeriesCreatorComponent, {
+      data: this.task!,
+      minWidth: "400px"
+    })
+  }
 }
diff --git a/frontend/src/app/user-settings/connection-settings/ntfy-settings/ntfy-settings.component.ts b/frontend/src/app/user-settings/connection-settings/ntfy-settings/ntfy-settings.component.ts
index 3b9e8ee..d7ad51f 100644
--- a/frontend/src/app/user-settings/connection-settings/ntfy-settings/ntfy-settings.component.ts
+++ b/frontend/src/app/user-settings/connection-settings/ntfy-settings/ntfy-settings.component.ts
@@ -24,7 +24,7 @@ export class NtfySettingsComponent {
       next: resp => {
         this.host_formCtrl.setValue(resp.ntfy_host);
         this.topic_formCtrl.setValue(resp.ntfy_topic);
-        this.user_formCtrl.setValue(resp.ntfy_user);
+        this.user_formCtrl.setValue(resp.ntfy_user!);
         this.token_formCtrl.setValue(resp.ntfy_token!);
       }
     })