---
title: Installation
slug: how-tos/THR5-installing-a
createdAt: 2025-08-25T17:42:48.599Z
---

To install the Excel Add-in for Factry Historian, first you will need to determine whether you want to install it locally or deploy it via Microsoft 365.

## Local Installation

Follow Microsoft's guide at [https://support.microsoft.com/en-us/office/get-an-office-add-in-for-excel-d3df5854-0a4e-4169-9cc3-25177a288d3d](https://support.microsoft.com/en-us/office/get-an-office-add-in-for-excel-d3df5854-0a4e-4169-9cc3-25177a288d3d).

When browsing the Add-in store, search for 'Factry' and select the Excel Add-in. Click 'Add' to install the Add-in.

![](https://api.archbee.com/api/optimize/QT0Op5BmASO-D5eI7lmoL-i0sxrjqWgp8xtBAOaem1C-20250825-180211.png)

## Install via Microsoft 365 / Excel online as a user

Follow these steps to install the Excel Add-in for Factry Historian using Microsoft 365.

1. Open Excel in your browser and click the **Home** tab.
2. At the far right of the ribbon, click the **Add-ins** icon.
3. Type "**Factry Historian**" in the search box and click **Add** next the add-in.
4. The Factry Historian add-in should appear at the far right of the ribbon.

::Image[]{src="https://api.archbee.com/api/optimize/SMPo4IS9FkillUAMsur2c/qNyi9iTjSeocGEqnzK_Cw-20260402-142939.png" size="52" width="408" height="606" position="center" caption="Search for the add-in" showCaption="true"}

::Image[]{src="https://api.archbee.com/api/optimize/SMPo4IS9FkillUAMsur2c/8s8yl_2irDd-9fWXVcIei-20260402-143042.png" size="78" width="512" height="165" position="center" caption="The add-in installed in the ribbon" showCaption="true"}

## Central deployment via Microsoft 365

This method lets administrators deploy the add-in centrally to users or groups.

1. Download the Factry Historian Excel Add-in manifest XML file [from the Factry Portal](https://portal.factry.cloud/download/excel-addin/1.0.0/manifest.xml).
2. Open the [Microsoft 365 Admin Center](https://admin.microsoft.com/adminportal/home).
3. Navigate to **Integrated Apps** by clicking **Settings** > **Integrated Apps**.
4. Upload the manifest by clicking **Upload custom apps**. In the dialog that appears, click **Choose file** and select the manifest XML file you downloaded in Step 1. Click **Next**.
5. Assign users by selecting which users or groups should have access, or choose **Everyone**. Click **Deploy**.

This should make the add-in available to all these users without them having to install it individually.