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Does the Add-in store any encrypted data on the users’ hard drive?

Written by Tom Berrett -RS

Updated at June 9th, 2025

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Table of Contents

Does the Add-in store any encrypted data on the users’ hard drive?

Does the Add-in store any encrypted data on the users’ hard drive?

Yes. The Add-in stores the users OAuth 2.0 refresh token in the users data folder (C:\Users\[user.name]\AppData\Roaming\Euromoney), this token is encrypted using standards Windows operating system encryption API’s, namely DPAPI. 

encrypted data hard drive add-in excel

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