Can Messages(PMs) be "deleted"?

[cannabissequoia]

I’m a bit confused why I can edit some of my old PMs & not others. (?)
…and can they be deleted?

Another member suggested purging some old un-needed info & I can’t see a way to do this.

Thanks.

[99PerCent]

There is a time limit.

If there is sensitive data, contact a moderator.