# Outlook - Classic & New

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##### **Object:** Outlook - Classic & New
##### **Description**
This document explains the differences between the two available versions of Microsoft Outlook to help you identify which one you are using.
##### **Steps**
1.  Recognize Classic Outlook as the most complete version. It will eventually be replaced but will remain functional until at least 2029.
    
![image001.png](https://docs.gcmconsultants.com/uploads/images/gallery/2026-06/XoASpEigmVcesbLK-embedded-image-f3qizfhm.png)

    
![image002.png](https://docs.gcmconsultants.com/uploads/images/gallery/2026-06/jHTUek0j1rmny1SD-embedded-image-rybz0eac.png)

2.  Recognize the New Outlook as the version currently in development. You can use it now, but it does not yet have all the features of Classic Outlook.
    
![image003.jpg](https://docs.gcmconsultants.com/uploads/images/gallery/2026-06/hZxk7HjER4GaXIS2-embedded-image-w0uzbd9l.jpeg)

    
![image004.jpg](https://docs.gcmconsultants.com/uploads/images/gallery/2026-06/rfZzyrbxW7uN2s8m-embedded-image-kivwb8gy.jpeg)