Is there any option to bulk update Item Codes for Master Data?

Summary:

Is there is a method to be able to change the character combination of our item codes in MSTR in bulk? Is there any existing ESS process such as Load Interface File for Import? If not, what other method can we use?

Content (please ensure you mask any confidential information):

Our clients are trying to do a mass update for the item codes of a list of items.

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