The phrase "all forums" is correct and usable in written English.
You can use it when referring to every forum or discussion platform available on a particular topic.
Example: "The issue was discussed in all forums, leading to a consensus among the participants."
Alternatives: "every forum" or "all discussion platforms".
Mainstream outlets jumped on the story, including "Today," the most public of all forums.
Members should be able to join policy branches, enabling them to participate in all forums of the party.
Reveal as little as possible, they say, deny liability, and avoid all forums that could legitimize your adversaries views.
Today's lecture I have called, as you can see, "The Mother of All Forums: Civic Architecture in Rome Under Trajan". And I think you'll see what I mean when we look both at a Trajanic bath building, and also the Forum of Trajan in Rome, what I mean by 'Mother of all Forums.' These were gargantuan buildings, bigger than anything that we have seen before, and interesting in all kinds of ways.
Baths of Caracalla: dates to 212 to 216 A.D. Any of you who have seen it will agree with me this is one if we had, if Trajan's Forum was the mother of all forums, this is certainly the mother of all imperial bath structures.
The Trajan Forum was the largest and grandest of all the forums and the so-called Trajan Markets on the hillside above are well preserved.
Honduras lacks the technical and financial resources to undertake a negotiation in all these forums by itself.
All forum and chatroom users will be required to make verifiable real-name registrations.
New Jersey considered passing a bill that would make anonymous communication illegal by forcing all forum participants to register their full name and address.
She brought her 82-year-old son to the Tuesday night graduation session that concludes all Forum weekends; when he was asked why he had come, he said, "My mother made me".
