Using New Outlook on Windows for personal email, calendar, and contact management
Hello Racheal Kimani,
Good day! Thank you for posting in Microsoft Community. I will be happy to assist you with this request.
First of all, We need to confirm if you're trying to copy/paste plain texts or documents to be able to better assist you.
If you mean that you can't copy and paste the content of your mail, You can try the below workaround and see if it can achieve your goal, Open the e-mail. Look at the right-hand side where it says "reply" with the arrow pointing down after it. Click on the arrow after the word "reply". A menu will appear. Click on "open in a separate window". From the new window, you should be able to copy and paste anything you want.
Also if you try to copy/paste attachments, please note that it's not feasible for now. I do understand your need for this, and we do apologize if we are not able to meet your requirements. We will surely raise your concerns to our Product Team and hopefully, this can be included in future updates.
However, the new Outlook is still a work in progress. If you don't mind, please provide feedback on this feature request by creating a new post in the Feedback Portal at Outlook · Community (microsoft.com), or directly through your new outlook (Help-->Feedback), Microsoft is committed to enhancing the customer experience by continually examining suggestions to include in the design and development of future product upgrades based on your suggestions.
Please let me know if you need any further assistance, Thank you.