Mo. Rev. Stat. § 483.065: Office and records, where kept.

Each clerk shall keep his office at such places as the court shall direct, and shall there keep the records, papers, seal and property belonging to his office and transact his official business; except that, each clerk may store closed court files and the records and papers pertinent thereto at any secure place within the county wherein the court is held, if adequate provisions are made for the examination and use of same.