REPLACEB
TextREPLACE counted in bytes.
Syntax
REPLACEB(old_text, start_num, num_bytes, new_text)
Full notes for REPLACEB are still being written. Use the AI explainer below for the arguments, a worked example and common mistakes.
More Text functions
Syntax follows Microsoft’s documentation. Examples are written to be pasted into a cell and checked. Argument separators may be ; in your locale. The AI explainer runs on a free community model — verify anything important.