How to Enable Less Secure Apps in Outlook.com/Hotmail/Office 365
When Integrated Apps is turned on, users in your organization can allow third-party apps to access their Office 365 information. For example, when someone uses a third-party app, that app might ask for permission to access their calendar and to edit files that are in a OneDrive folder.
In order to access the feature of Outlook.com Backup tool , you need to Enable Less Secure Apps from your Microsoft Live Mail Account. Below is the complete procedure for the same.
Step 1. Go to Admin Portal of your Office 365 account and click on Settings.
Step 2. Select Service & ad-ins from setting. On thr right side of this menu select Integrated Apps
Step 3. Now Enable Less secure apps authentication and click Save.
That's it, now you can access the features of Outlook.com Backup Tool
Enable Less Seecure Apps in Office 365 Account