diff --git a/apps/red-ui/src/app/components/buttons/file-download-btn/file-download-btn.component.ts b/apps/red-ui/src/app/components/buttons/file-download-btn/file-download-btn.component.ts
index 82cc64d50..1686b0f38 100644
--- a/apps/red-ui/src/app/components/buttons/file-download-btn/file-download-btn.component.ts
+++ b/apps/red-ui/src/app/components/buttons/file-download-btn/file-download-btn.component.ts
@@ -4,6 +4,7 @@ import { ProjectWrapper } from '../../../state/model/project.wrapper';
 import { FileStatusWrapper } from '../../../screens/file/model/file-status.wrapper';
 import { FileDownloadService } from '../../../upload-download/file-download.service';
 import { NotificationService } from '../../../notification/notification.service';
+import { TranslateService } from '@ngx-translate/core';
 
 export type MenuState = 'OPEN' | 'CLOSED';
 
@@ -22,6 +23,7 @@ export class FileDownloadBtnComponent {
     constructor(
         private readonly _permissionsService: PermissionsService,
         private readonly _fileDownloadService: FileDownloadService,
+        private readonly _translateService: TranslateService,
         private readonly _notificationService: NotificationService
     ) {}
 
@@ -35,7 +37,8 @@ export class FileDownloadBtnComponent {
 
     downloadFiles($event: MouseEvent) {
         $event.stopPropagation();
-        // Bulk Download
-        this._fileDownloadService.downloadFiles(Array.isArray(this.file) ? this.file : [this.file], this.project).subscribe((data) => {});
+        this._fileDownloadService.downloadFiles(Array.isArray(this.file) ? this.file : [this.file], this.project).subscribe(() => {
+            this._notificationService.showToastNotification(this._translateService.instant('download-status.queued'));
+        });
     }
 }
diff --git a/apps/red-ui/src/app/dialogs/assign-owner-dialog/assign-owner-dialog.component.ts b/apps/red-ui/src/app/dialogs/assign-owner-dialog/assign-owner-dialog.component.ts
index 0cb553200..835be80a9 100644
--- a/apps/red-ui/src/app/dialogs/assign-owner-dialog/assign-owner-dialog.component.ts
+++ b/apps/red-ui/src/app/dialogs/assign-owner-dialog/assign-owner-dialog.component.ts
@@ -80,9 +80,6 @@ export class AssignOwnerDialogComponent {
                 pw.project.memberIds = memberIds;
                 pw.project.ownerId = ownerId;
                 await this._appStateService.addOrUpdateProject(pw.project);
-                this._notificationService.showToastNotification(
-                    'Successfully assigned ' + this.userService.getNameForId(ownerId) + ' to project: ' + pw.project.projectName
-                );
             }
 
             if (this.data.type === 'file') {
@@ -99,9 +96,6 @@ export class AssignOwnerDialogComponent {
                 for (const file of this.data.files) {
                     file.currentReviewer = reviewerId;
                     file.reviewerName = this.userService.getNameForId(reviewerId);
-                    this._notificationService.showToastNotification(
-                        'Successfully assigned ' + this.userService.getNameForId(reviewerId) + ' to file: ' + file.filename
-                    );
                 }
             }
         } catch (error) {
diff --git a/apps/red-ui/src/app/screens/file/file-preview-screen/file-preview-screen.component.html b/apps/red-ui/src/app/screens/file/file-preview-screen/file-preview-screen.component.html
index 79d076308..b5503b64c 100644
--- a/apps/red-ui/src/app/screens/file/file-preview-screen/file-preview-screen.component.html
+++ b/apps/red-ui/src/app/screens/file/file-preview-screen/file-preview-screen.component.html
@@ -3,11 +3,17 @@
         <div class="flex-1">
             <div class="red-input-group slider-row">
                 <mat-button-toggle-group [value]="viewMode" (change)="switchView($event)" appearance="legacy">
-                    <mat-button-toggle [value]="'STANDARD'"> {{ 'file-preview.standard' | translate }}</mat-button-toggle>
-                    <mat-button-toggle [value]="'DELTA'" [disabled]="canNotSwitchToDeltaView"> {{ 'file-preview.delta' | translate }}</mat-button-toggle>
+                    <mat-button-toggle [value]="'STANDARD'">
+                        <div [matTooltip]="'file-preview.standard-tooltip' | translate">{{ 'file-preview.standard' | translate }}</div>
+                    </mat-button-toggle>
+                    <mat-button-toggle [value]="'DELTA'" [disabled]="!canSwitchToDeltaView">
+                        <div [matTooltip]="'file-preview.delta-tooltip' | translate">{{ 'file-preview.delta' | translate }}</div>
+                    </mat-button-toggle>
                     <mat-button-toggle [value]="'REDACTED'" [disabled]="canNotSwitchToRedactedView">
-                        {{ 'file-preview.redacted' | translate }}</mat-button-toggle
-                    >
+                        <div [matTooltip]="'file-preview.redacted-tooltip' | translate">
+                            {{ 'file-preview.redacted' | translate }}
+                        </div>
+                    </mat-button-toggle>
                 </mat-button-toggle-group>
             </div>
         </div>
diff --git a/apps/red-ui/src/app/screens/file/file-preview-screen/file-preview-screen.component.ts b/apps/red-ui/src/app/screens/file/file-preview-screen/file-preview-screen.component.ts
index 3831f07da..378dd8114 100644
--- a/apps/red-ui/src/app/screens/file/file-preview-screen/file-preview-screen.component.ts
+++ b/apps/red-ui/src/app/screens/file/file-preview-screen/file-preview-screen.component.ts
@@ -67,6 +67,7 @@ export class FilePreviewScreenComponent implements OnInit, OnDestroy {
     loadingMessage: string;
     canPerformAnnotationActions: boolean;
     filesAutoUpdateTimer: Subscription;
+    fileReanalysedSubscription: Subscription;
 
     constructor(
         public readonly appStateService: AppStateService,
@@ -160,8 +161,8 @@ export class FilePreviewScreenComponent implements OnInit, OnDestroy {
         return this.permissionsService.fileRequiresReanalysis();
     }
 
-    get canNotSwitchToDeltaView() {
-        return this.fileData?.redactionChangeLog?.redactionLogEntry?.length === 0;
+    get canSwitchToDeltaView() {
+        return this.fileData?.redactionChangeLog?.redactionLogEntry?.length > 0;
     }
 
     ngOnInit(): void {
@@ -181,7 +182,7 @@ export class FilePreviewScreenComponent implements OnInit, OnDestroy {
         this._loadFileData().subscribe(() => {
             this._updateCanPerformActions();
         });
-        this.appStateService.fileReanalysed.subscribe((fileStatus: FileStatusWrapper) => {
+        this.fileReanalysedSubscription = this.appStateService.fileReanalysed.subscribe((fileStatus: FileStatusWrapper) => {
             if (fileStatus.fileId === this.fileId) {
                 this._loadFileData(true).subscribe(() => {
                     this.viewReady = true;
@@ -195,6 +196,7 @@ export class FilePreviewScreenComponent implements OnInit, OnDestroy {
 
     ngOnDestroy(): void {
         this.filesAutoUpdateTimer.unsubscribe();
+        this.fileReanalysedSubscription.unsubscribe();
     }
 
     private _loadFileData(performUpdate: boolean = false) {
diff --git a/apps/red-ui/src/app/screens/file/model/file-data.model.ts b/apps/red-ui/src/app/screens/file/model/file-data.model.ts
index 24f8f88a7..556ce6af9 100644
--- a/apps/red-ui/src/app/screens/file/model/file-data.model.ts
+++ b/apps/red-ui/src/app/screens/file/model/file-data.model.ts
@@ -63,7 +63,7 @@ export class FileDataModel {
     private _convertData(dictionaryData: { [p: string]: TypeValue }): RedactionLogEntryWrapper[] {
         let result: RedactionLogEntryWrapper[] = [];
 
-        this.redactionChangeLog.redactionLogEntry.forEach((changeLogEntry) => {
+        this.redactionChangeLog?.redactionLogEntry?.forEach((changeLogEntry) => {
             if (changeLogEntry.changeType === 'REMOVED') {
                 const redactionLogEntryWrapper: RedactionLogEntryWrapper = { actionPendingReanalysis: false };
 
@@ -83,7 +83,7 @@ export class FileDataModel {
                 return;
             }
 
-            const existingChangeLogEntry = this.redactionChangeLog.redactionLogEntry.find((rle) => rle.id === redactionLogEntry.id);
+            const existingChangeLogEntry = this.redactionChangeLog?.redactionLogEntry?.find((rle) => rle.id === redactionLogEntry.id);
 
             // copy the redactionLog Entry
             const redactionLogEntryWrapper: RedactionLogEntryWrapper = { actionPendingReanalysis: false };
diff --git a/apps/red-ui/src/assets/i18n/en.json b/apps/red-ui/src/assets/i18n/en.json
index 7b388e193..5d73855a9 100644
--- a/apps/red-ui/src/assets/i18n/en.json
+++ b/apps/red-ui/src/assets/i18n/en.json
@@ -22,6 +22,7 @@
         }
     },
     "download-status": {
+        "queued": "Your download has been queued, you can see all your requested downloads here: <a href='/ui/downloads'>My Downloads <a/>.",
         "error": {
             "generic": "Download failed"
         },
@@ -279,6 +280,9 @@
         "delta": "Delta",
         "redacted": "Preview",
         "standard": "Standard",
+        "standard-tooltip": "Standard Workload view shows all hints, redactions, recommendations & suggestions. This view allows editing.",
+        "redacted-tooltip": "Redaction preview shows only redactions. Consider this a preview for the final redacted version. This view is only available if the file has no pending changes & doesn't require a reanalysis",
+        "delta-tooltip": "Delta View shows only the changes since last re-analysis. This view is only available if there is at least 1 change",
         "no-annotations-for-page": "There are no redactions, hints or requests on this page.",
         "show-redacted-view": "Show Redacted Preview",
         "cannot-show-redacted-view": "Redactions out of sync. Redacted Preview only available after reanalysis",