I think Google Sheets, as with most (all?) browser apps, is sandboxed so this may not be possible but...

Is there a way for Sheets to validate a local file path referenced in a cell (file exists? true/false) and/or reach out to the filesystem and change the name of said file?


For security reasons, Web Applications are sandboxed in a browser so that they do not have access user's local filesystem. Therefore, Sheets cannot confirm or deny the existence of a locally stored file.

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