How do I change the close date at the account level?
I'm not 100% sure what you mean by "close date", but I suspect you may be referring to term dates. Do these help?
How do I use the Terms page in an account?
How do I add a new term in an account?
What should I do at the beginning and end of each term as an admin?
What should I encourage instructors to do at the beginning and end of each term?
Or perhaps grading periods?
How do I view grading periods in an account?
How do I add grading periods in an account?
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