We announced at Ignite that we are actively working on bringing dynamic plus aliases to Office 365.
To get around existing usage, the plan is for an opt-in setting. Our ETA is to have this available for all customers by the third quarter of 2020.
I will keep you updated in Uservoice on our progress.
An error occurred while saving the commentTim Phang commented
As an exchange admin you can set this up for specific addresses. Follow the instructions in:
https://durdle.com/2015/01/11/office-365-email-suffix-matching/ and change the match rule in step 6 to be something along the lines of:
This will catch "email@example.com" and redirect it to the appropriate mailbox. This will need to be configured for each user who needs the functionality. For a team of developers to be able to use for testing, I'd recommend creating a shared inbox and applying the rule there.