diff --git a/src/app/sample/sample.component.html b/src/app/sample/sample.component.html
index 6b25d1f..a1d9925 100644
--- a/src/app/sample/sample.component.html
+++ b/src/app/sample/sample.component.html
@@ -247,7 +247,7 @@
       Delete sample
     </rb-icon-button>
     <ng-template #modalDeleteConfirm>
-      <rb-alert alertTitle="Are you sure" type="danger" okBtnLabel="Delete sample" cancelBtnLabel="Cancel">
+      <rb-alert alertTitle="Are you sure?" type="danger" okBtnLabel="Delete sample" cancelBtnLabel="Cancel">
         Do you really want to delete {{sample.number}}?
       </rb-alert>
     </ng-template>
diff --git a/src/app/samples/samples.component.html b/src/app/samples/samples.component.html
index 3666bf9..224fc8c 100644
--- a/src/app/samples/samples.component.html
+++ b/src/app/samples/samples.component.html
@@ -104,13 +104,18 @@
     JSON download link
   </rb-icon-button>
   <ng-template #linkModal>
-    <label for="jsonUrl">URL for JSON download</label>
-    <textarea class="linkmodal" id="jsonUrl" #linkarea [value]="sampleUrl({export: true, host: true})"
-              (keydown)="preventDefault($event)"></textarea>
-    <rb-form-checkbox class="space-below" name="download-csv" [(ngModel)]="downloadCsv">
-      add spectra
-    </rb-form-checkbox>
-    <rb-icon-button icon="clipboard" mode="secondary" (click)="clipboard()">Copy to clipboard</rb-icon-button>
+    <div class="link-dialog">
+      <label for="jsonUrl">URL for JSON download</label>
+      <textarea class="linkmodal" id="jsonUrl" #linkarea [value]="sampleUrl({export: true, host: true})"
+                (keydown)="preventDefault($event)"></textarea>
+      <rb-form-checkbox class="space-right" name="download-spectra" [(ngModel)]="downloadSpectra">
+        add spectra
+      </rb-form-checkbox>
+      <rb-form-checkbox name="download-flatten" [(ngModel)]="downloadFlatten">
+        flatten object
+      </rb-form-checkbox>
+      <rb-icon-button icon="clipboard" mode="secondary" (click)="clipboard()">Copy to clipboard</rb-icon-button>
+    </div>
   </ng-template>
   <a [href]="csvUrl" download="samples.csv">
     <rb-icon-button icon="download" mode="secondary" (mousedown)="csvUrl = sampleUrl({csv: true, export: true})">
diff --git a/src/app/samples/samples.component.scss b/src/app/samples/samples.component.scss
index decf552..16c4ce3 100644
--- a/src/app/samples/samples.component.scss
+++ b/src/app/samples/samples.component.scss
@@ -210,3 +210,13 @@ textarea.linkmodal {
   padding-top: 0;
   margin-top: -4.5px;
 }
+
+.link-dialog {
+  rb-form-checkbox {
+    display: inline-block;
+  }
+
+  rb-icon-button {
+    float: right;
+  }
+}
diff --git a/src/app/samples/samples.component.ts b/src/app/samples/samples.component.ts
index 4425339..51382ab 100644
--- a/src/app/samples/samples.component.ts
+++ b/src/app/samples/samples.component.ts
@@ -34,7 +34,8 @@ export class SamplesComponent implements OnInit {
   @ViewChild('pageSizeSelection') pageSizeSelection: ElementRef<HTMLElement>;
   @ViewChild('linkarea') linkarea: ElementRef<HTMLTextAreaElement>;
 
-  downloadCsv = false;
+  downloadSpectra = false;
+  downloadFlatten = true;
   samples: SampleModel[] = [];
   totalSamples = 0;  // total number of samples
   csvUrl = '';  // store url separate so it only has to be generated when clicking the download button
@@ -94,8 +95,6 @@ export class SamplesComponent implements OnInit {
     this.calcFieldSelectKeys();
     this.d.load('materials', () => {
       this.filters.filters.find(e => e.field === 'material.name').autocomplete = this.d.arr.materials.map(e => e.name);
-      this.filters.filters.find(e => e.field === 'color').autocomplete =
-        [...new Set(this.d.arr.materials.reduce((s, e) => {s.push(...e.numbers.map(el => el.color)); return s; }, []))];
       this.loadSamples();
     });
     this.d.load('materialSuppliers', () => {
@@ -200,7 +199,7 @@ export class SamplesComponent implements OnInit {
     }
     query.push('sort=' + this.filters.sort);
     if (options.csv) {
-      query.push('csv=true');
+      query.push('output=csv');
     }
     if (options.export) {
       query.push('key=' + this.d.d.userKey.key);
@@ -230,8 +229,13 @@ export class SamplesComponent implements OnInit {
       }
       });
     }
-    else if (this.downloadCsv) {
-      query.push('fields[]=measurements.spectrum.dpt');
+    else {
+      if (this.downloadFlatten) {
+        query.push('output=flatten');
+      }
+      if (this.downloadSpectra) {
+        query.push('fields[]=measurements.spectrum.dpt');
+      }
     }
     return (options.host && isDevMode() ? window.location.host : '') +
       (options.export ? this.api.hostName : '') +
diff --git a/src/app/users/users.component.html b/src/app/users/users.component.html
index fbff322..c4d8b83 100644
--- a/src/app/users/users.component.html
+++ b/src/app/users/users.component.html
@@ -94,6 +94,15 @@
         </rb-array-input>
       </td>
       <td>
+        <rb-icon-button icon="delete" mode="danger" class="space-below"
+                        (click)="deleteConfirm(modalDeleteConfirm, user.name)">
+          Delete
+        </rb-icon-button>
+        <ng-template #modalDeleteConfirm>
+          <rb-alert alertTitle="Are you sure?" type="danger" okBtnLabel="Delete user" cancelBtnLabel="Cancel">
+            Do you really want to delete this user?
+          </rb-alert>
+        </ng-template>
         <rb-icon-button icon="save" mode="primary" (click)="saveUser(user)"
                           [disabled]="nameInput.invalid || emailInput.invalid || locationInput.invalid">
           Save
diff --git a/src/app/users/users.component.scss b/src/app/users/users.component.scss
index 9ba4fcf..37893f7 100644
--- a/src/app/users/users.component.scss
+++ b/src/app/users/users.component.scss
@@ -1,3 +1,12 @@
 ::ng-deep td .error-messages {
   position: absolute;
 }
+
+td:last-child rb-icon-button {
+  width: 100px;
+  float: left;
+
+  ::ng-deep button {
+    width: 100%;
+  }
+}
diff --git a/src/app/users/users.component.ts b/src/app/users/users.component.ts
index 58e77bf..54a8680 100644
--- a/src/app/users/users.component.ts
+++ b/src/app/users/users.component.ts
@@ -2,6 +2,7 @@ import { Component, OnInit } from '@angular/core';
 import {ApiService} from '../services/api.service';
 import {UserModel} from '../models/user.model';
 import {LoginService} from '../services/login.service';
+import {ModalService} from '@inst-iot/bosch-angular-ui-components';
 
 
 @Component({
@@ -17,7 +18,8 @@ export class UsersComponent implements OnInit {
 
   constructor(
     private api: ApiService,
-    public login: LoginService
+    public login: LoginService,
+    private modal: ModalService
   ) { }
 
   ngOnInit(): void {
@@ -45,4 +47,14 @@ export class UsersComponent implements OnInit {
     this.newUser = this.newUser ? null : new UserModel();
   }
 
+  deleteConfirm(modal, username) {
+    this.modal.open(modal).then(result => {
+      if (result) {
+        this.api.delete('/user/' + username, () => {
+          this.users.splice(this.users.findIndex(e => e.name === username), 1);
+        });
+      }
+    });
+  }
+
 }