The new official capacity calculator for O365 is now live at https://calculator.veeam.com/vbo/
You can either connect it to your real account and retrieve needed data or manually input data:
![](https://uploads-eu-west-1.insided.com/veeam-en/attachment/a040d6d6-4e2e-4773-a0f7-9afd07ceb7a6.png)
If you love the full details you can click the “Show details” button:
![](https://uploads-eu-west-1.insided.com/veeam-en/attachment/ba0125ae-06d2-4eb3-b931-3abddec8cc47.png)
This will definitely make it a lot easier to estimate capacity use, but also size VBO servers and proxies, just click on the little “i” icon next to infrastructure sizing for even more information like CPU/memory:
![](https://uploads-eu-west-1.insided.com/veeam-en/attachment/b43d5425-1bd9-4019-9956-e4174fe3635d.png)