If this is the app you are talking about https://marketplace.atlassian.com/apps/247/content-formatting-macros-for-confluence?hosting=server&tab=overview it is only available on server and data center. You can always contact Adaptavist and ask them if it will ever be available on cloud.
Cloud does not support the methods used to do the formatting, it can only be done with a "type 2 plugin", which you can't install on Cloud. Atlassian have a small handful of type-2s on Cloud but are committed to getting rid of them, not adopting more.
If Cloud eventually enables us to do formatting with a Connect plugin, I'm sure we'll try to convert as much as possible and create a Cloud version, but I have no idea if Atlassian ever will create the plugin framework to support it. (Note to self: go ask developers when they get back from this week's Atlascamp)
Thanks everyone for answering last week’s question. The winner of the random drawing from those who commented is: @LarryBrock I’ll contact you separately with your prize details. This wee...
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