NTLM Authentication for SharePoint

In SharePoint, go to the data you want to download.

In Settings, find the Web Address. For example: https://my.sharepoint.com/sites/MySite

In Designer, add a Text Input tool to the canvas, and connect a Download tool to it.

In the Text Input tool, name the first column, such as URL, and paste the copied web address without its domain in the first cell of that column. For example: /MySite

In the Download tool, select the Use Data Connection Manager (DCM) checkbox to set up the connection.

Select the Set Up a Connection button. This opens DCM.

In the New Data Source window, Technology is preset to URL for Downloading.

Enter the Data Source Name of your choice.

In Base URL, paste the domain of the copied web address. For example: https://my.sharepoint.com

Select Save. This adds the Connections options to the window.

In Authentication Method, select NTLM.

Choose the authentication type.

Implicit: In the Credential dropdown, select the X icon to withdraw from using any credentials. This type uses the Windows integrated credentials. Therefore, the corresponding Windows user must have access to SharePoint.

Explicit: In the USERNAME AND PASSWORD options, select your Credential, enter your Credential Name, Username, and Password. Then, select Create and Link to use your credentials explicitly.

Select Connect to use your preferred authentication type.

In the Download tool > URL > Field options, select the name of the column of the Text Input tool. For example: URL

Run your workflow.