Https://outlook.office365.com/mail/

The URL you provided is the login page for Microsoft Outlook Web App, which is a web-based email client that allows users to access their Outlook email accounts from any device with an internet connection.

Here's a breakdown of the URL:

• outlook.office365.com: This is the domain name of the Microsoft Outlook Web App.
• /mail/: This is the path to the email client, which is where you'll log in to access your email account.

To log in, you'll need to enter your email address and password. If you're using a work or school account, you may need to enter your organization's credentials instead.

Once you've logged in, you'll have access to your email inbox, where you can view, compose, and manage your emails. You'll also have access to other features, such as calendar, contacts, and tasks.

Note that this URL is specific to Office 365, which is a cloud-based version of Microsoft Office that includes Outlook, Word, Excel, PowerPoint, and other applications. If you're using a different version of Outlook, such as Outlook.com or Outlook 2016, you may need to use a different login URL.