---
title: "Version 3.5.10"
slug: "version-3510"
updated: 2026-06-26T07:35:43Z
published: 2026-06-26T07:35:43Z
canonical: "help.mail-and-deploy.com/version-3510"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.mail-and-deploy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Version 3.5.10

### Bug Fixes

- Fixes issue with Designer showing the following error with Excel templates: 'COMException: Unable to set the Left property of the Application class'.
- Fixed InvalidCastException error in MSO Chart for Word for certain data series.
- Fix error in MSO Chart for Word where data labels were being applied when not enabled in the template.

### Known Issues

- If upgrading to this version for a version below 3.5x, the Datasources that were defined to use Custom Windows Account are set to Service Account after the upgrade. Please set it back to Custom Windows Account manually.
- There is a timeout with the Vizlib Pivot Table as Chart element when using it together with Qlik Sense November 2023 Patch 2 and higher and having more than 10 Vizlib charts in the same report.
- Need to manually restart Mail & Deploy if you set a custom callback URL for the Azure AD User Directory.
- M&D doesn't support html code in the Vizlib Pivot and Vizlib Table headers. It does support html code in the data values.
- The filters are not enforced when using the action Activate Datasource Book, which apply filters, and Filter Datasource Field. To enforce the filters, use only the action Filter Datasource Field.

### Setup Files

[Mail & Deploy Version 3 Releases](https://community.mail-and-deploy.com/portal/en/community/mail-deploy-version-3-releases)