diff --git a/apps/red-ui/src/app/modules/admin/screens/reports/reports-screen.component.html b/apps/red-ui/src/app/modules/admin/screens/reports/reports-screen.component.html
index ec8249b0d..117d96e9d 100644
--- a/apps/red-ui/src/app/modules/admin/screens/reports/reports-screen.component.html
+++ b/apps/red-ui/src/app/modules/admin/screens/reports/reports-screen.component.html
@@ -61,7 +61,9 @@
             ></div>
 
             <div *ngFor="let template of availableTemplates" class="template">
-                <div class="name">{{ template.fileName }}</div>
+                <div class="name">
+                    {{ template.fileName }} {{ template.multiFileReport ? ('reports-screen.multi-file-report' | translate) : '' }}
+                </div>
 
                 <div class="actions">
                     <iqser-circle-button
diff --git a/apps/red-ui/src/app/modules/admin/screens/reports/reports-screen.component.ts b/apps/red-ui/src/app/modules/admin/screens/reports/reports-screen.component.ts
index fc8644091..f139cdde3 100644
--- a/apps/red-ui/src/app/modules/admin/screens/reports/reports-screen.component.ts
+++ b/apps/red-ui/src/app/modules/admin/screens/reports/reports-screen.component.ts
@@ -13,6 +13,7 @@ import {
 import { removeBraces } from '../../../../utils/functions';
 import { Toaster } from '../../../../services/toaster.service';
 import { marker as _ } from '@biesbjerg/ngx-translate-extract-marker';
+import { ConfirmationDialogInput, TitleColors } from '../../../shared/dialogs/confirmation-dialog/confirmation-dialog.component';
 
 interface Placeholder {
     placeholder: string;
@@ -86,13 +87,32 @@ export class ReportsScreenComponent implements OnInit {
         const file = $event.target.files[0];
 
         if (this._isValidFile(file)) {
-            await this._reportTemplateService.uploadTemplateForm(this._appStateService.activeDossierTemplateId, false, file).toPromise();
             if (this._isExcelFile(file)) {
-                //  await this._reportTemplateService.
-                //  uploadTemplateForm(this._appStateService.activeDossierTemplateId, true, file).toPromise();
+                const data = new ConfirmationDialogInput({
+                    title: _('confirmation-dialog.upload-report-template.title'),
+                    question: _('confirmation-dialog.upload-report-template.question'),
+                    confirmationText: _('confirmation-dialog.upload-report-template.confirmation-text'),
+                    denyText: _('confirmation-dialog.upload-report-template.deny-text'),
+                    alternativeConfirmationText: _('confirmation-dialog.upload-report-template.alternate-confirmation-text'),
+                    translateParams: {
+                        fileName: file.name
+                    }
+                });
+                this._dialogService.openDialog('confirm', null, data, null, async result => {
+                    if (result) {
+                        await this._reportTemplateService
+                            .uploadTemplateForm(this._appStateService.activeDossierTemplateId, result > 1, file)
+                            .toPromise();
+                        await this._loadReportTemplates();
+                    }
+                });
+            } else {
+                await this._reportTemplateService
+                    .uploadTemplateForm(this._appStateService.activeDossierTemplateId, false, file)
+                    .toPromise();
+                await this._loadReportTemplates();
             }
             this._fileInput.nativeElement.value = null;
-            await this._loadReportTemplates();
         } else {
             this._toaster.error(_('reports-screen.invalid-upload'));
         }
diff --git a/apps/red-ui/src/app/modules/shared/dialogs/confirmation-dialog/confirmation-dialog.component.html b/apps/red-ui/src/app/modules/shared/dialogs/confirmation-dialog/confirmation-dialog.component.html
index ec15cfdac..d1bc2137c 100644
--- a/apps/red-ui/src/app/modules/shared/dialogs/confirmation-dialog/confirmation-dialog.component.html
+++ b/apps/red-ui/src/app/modules/shared/dialogs/confirmation-dialog/confirmation-dialog.component.html
@@ -14,9 +14,20 @@
     </div>
 
     <div class="dialog-actions">
-        <button (click)="confirm()" [disabled]="config.requireInput && confirmationDoesNotMatch()" color="primary" mat-flat-button>
+        <button (click)="confirm(1)" [disabled]="config.requireInput && confirmationDoesNotMatch()" color="primary" mat-flat-button>
             {{ config.confirmationText }}
         </button>
+
+        <button
+            (click)="confirm(2)"
+            [disabled]="config.requireInput && confirmationDoesNotMatch()"
+            color="primary"
+            mat-flat-button
+            *ngIf="config.alternativeConfirmationText"
+        >
+            {{ config.alternativeConfirmationText }}
+        </button>
+
         <div (click)="deny()" class="all-caps-label cancel">
             {{ config.denyText }}
         </div>
diff --git a/apps/red-ui/src/app/modules/shared/dialogs/confirmation-dialog/confirmation-dialog.component.ts b/apps/red-ui/src/app/modules/shared/dialogs/confirmation-dialog/confirmation-dialog.component.ts
index c7ce504b3..e64004ec1 100644
--- a/apps/red-ui/src/app/modules/shared/dialogs/confirmation-dialog/confirmation-dialog.component.ts
+++ b/apps/red-ui/src/app/modules/shared/dialogs/confirmation-dialog/confirmation-dialog.component.ts
@@ -16,6 +16,7 @@ export class ConfirmationDialogInput {
     question?: string;
     details?: string;
     confirmationText?: string;
+    alternativeConfirmationText?: string;
     requireInput?: boolean;
     denyText?: string;
     translateParams?: Record<string, unknown>;
@@ -26,6 +27,7 @@ export class ConfirmationDialogInput {
         this.question = options?.question || _('common.confirmation-dialog.description');
         this.details = options?.details || '';
         this.confirmationText = options?.confirmationText || _('common.confirmation-dialog.confirm');
+        this.alternativeConfirmationText = options?.alternativeConfirmationText;
         this.requireInput = options?.requireInput || false;
         this.denyText = options?.denyText || _('common.confirmation-dialog.deny');
         this.translateParams = options?.translateParams || {};
@@ -58,7 +60,7 @@ export class ConfirmationDialogComponent {
     @HostListener('window:keyup.enter')
     onKeyupEnter() {
         if (this.config.requireInput && !this.confirmationDoesNotMatch()) {
-            this.confirm();
+            this.confirm(1);
         }
     }
 
@@ -70,12 +72,12 @@ export class ConfirmationDialogComponent {
         this._dialogRef.close();
     }
 
-    confirm(): void {
-        this._dialogRef.close(true);
+    confirm(option: number): void {
+        this._dialogRef.close(option);
     }
 
     translate<T extends ConfirmationDialogInput | string>(obj: T): T {
-        const translateKeys = ['title', 'question', 'details', 'confirmationText', 'denyText'];
+        const translateKeys = ['title', 'question', 'details', 'confirmationText', 'alternativeConfirmationText', 'denyText'];
 
         if (typeof obj === 'string') return this._translateService.instant(obj, this.config.translateParams);
 
diff --git a/apps/red-ui/src/assets/i18n/en.json b/apps/red-ui/src/assets/i18n/en.json
index e298184fb..137125493 100644
--- a/apps/red-ui/src/assets/i18n/en.json
+++ b/apps/red-ui/src/assets/i18n/en.json
@@ -360,6 +360,13 @@
     "warning": "Warning: this cannot be undone!"
   },
   "confirmation-dialog": {
+    "upload-report-template": {
+      "question": "Please choose if <b>{fileName}</b> is a single or multi-file report template",
+      "title": "Report Template Upload",
+      "deny-text": "Cancel Upload",
+      "confirmation-text": "Upload as single-file report",
+      "alternate-confirmation-text": "Upload as multi-file report"
+    },
     "assign-file-to-me": {
       "question": "This document is currently reviewed by someone else. Do you want to become the reviewer and assign yourself to this document?",
       "title": "Re-assign reviewer"
@@ -1248,6 +1255,7 @@
   },
   "reports": "Reports",
   "reports-screen": {
+    "multi-file-report": "(Multi-file)",
     "description": "A short text explaining how to create report documents. It is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout.",
     "descriptions": {
       "dossier-attributes": "This placeholder gets replaced with the value of the dossier attribute <code>{attribute}</code>.",
diff --git a/libs/red-ui-http/src/lib/api/reportTemplateController.service.ts b/libs/red-ui-http/src/lib/api/reportTemplateController.service.ts
index 89726077f..02331bb5a 100644
--- a/libs/red-ui-http/src/lib/api/reportTemplateController.service.ts
+++ b/libs/red-ui-http/src/lib/api/reportTemplateController.service.ts
@@ -175,10 +175,11 @@ export class ReportTemplateControllerService {
             headers = headers.set('Accept', httpHeaderAcceptSelected);
         }
 
-        return this.httpClient.request<any>(
+        return this.httpClient.request(
             'get',
             `${this.basePath}/templateUpload/${encodeURIComponent(String(dossierTemplateId))}/${encodeURIComponent(String(templateId))}`,
             {
+                responseType: 'blob',
                 withCredentials: this.configuration.withCredentials,
                 headers: headers,
                 observe: observe,