The phrase "a format where" is correct and usable in written English.
You can use it to describe a specific type of structure or arrangement in which something occurs or is presented.
Example: "We need to establish a format where all team members can contribute their ideas equally."
Alternatives: "a structure in which" or "a setup that allows for".
He established a format where opera could be toured and brought to the people".
There, says Marchant, "you're co-opted to write in a format where all that matters is the craft you apply.
He perhaps beat the Test selectors to the punch in this regard but even so he has still theoretically shouldered arms to a format where he craves success.
It won Sunday with three six-ball overs to spare, a huge margin in a format where each team bats for only 20 overs.
Advisers insisted that he would be helped by two planned debates, a format where his campaign believed he shined — even if the moderators sometimes seemed to forget there were not just two candidates on stage.
"I happen to think it would be better off if it were every other year," McEnroe said, "if it were played over a format where four teams could get together, like a Final Four, play a huge 10-day event.
A binary tree is a data format where each piece of data is a node that can have up to one parent and two children.
The dance LP can be a bit of a bloated format, where producers strain towards "proper artist" status when they'd be better off chucking out lean 12-inches.
An association based topic discovery method was proposed in [24] which represents each document in a vector format, where each document vector is considered a transaction.
Instagram is using the tool to create a standardized format where posts are identified at the top as a "paid partnership with" an advertiser, and also to provide the advertiser with data about a post's performance.
But they also allow users to express their tone in a way that may not always come across in a digital format where interactions historically have been text-based.
