Hey @youneslaaouani,
Welcome to the Community!
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Previous thread on mandatory columns - You can use forms, conditional colouring, and automation to support your objective.
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This sounds like something we would put in another board and connect the two for visibility. Would love to understand this in more depth.
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Yes! There are a couple of ways to approach this

Are you planning to manage the entire migration on your own? If you would like to connect and discuss further I would love to better understand your full picture and how you’re planning to manage and deliver the migration and ease your team into monday.com.