I want to be embed information into a spreadsheet (file) that will allow me to track when the file is sent out of an organisation via email.
The background to this is:
An intranet application needs to provide excel download functionality, we want to be able to embed a set of bytes (byte array) into the file so that if the file is sent out of the organisation the mail server can scan the file looking for the byte stream and report\block the email.
Now I know this is NOT full proof and there are way to remove any such tracking information, but is it possible to embed a set of bytes (byte array) into the excel spreadsheet?
Can it be done as hidden fields in the excel spreadsheet or would I want to do this at a lower level by manipulating the actual file externally from excel?
ta
Ollie
The background to this is:
An intranet application needs to provide excel download functionality, we want to be able to embed a set of bytes (byte array) into the file so that if the file is sent out of the organisation the mail server can scan the file looking for the byte stream and report\block the email.
Now I know this is NOT full proof and there are way to remove any such tracking information, but is it possible to embed a set of bytes (byte array) into the excel spreadsheet?
Can it be done as hidden fields in the excel spreadsheet or would I want to do this at a lower level by manipulating the actual file externally from excel?
ta
Ollie
