Maybe the user's intention is to share a folder with others, but they need to present it in a way that's clear and respectful of policies. They might want to mention what's in the folder without violating any rules. I should suggest using a spoiler tag if they're sharing on a forum that supports it, so that others have a choice to view the link if they wanted to.
I’m sharing this folder for collaborative access to [briefly describe the folder’s contents, e.g., "project files," "research materials," or "shared resources"]. The folder was moved to Mega.nz for easier sharing. Here’s the link:
Putting all that together, the post should be clear, concise, and respectful of the platform's rules while sharing the link. It's important to highlight any necessary warnings or disclaimers. I should format it in a friendly and informative way, maybe using markdown with headers for the title and description, and bold text for key points.