Problem
If a customer gives you an sdtid file and you are not able to open it, you can convert it into a QR code.
Resolution
Use this app from RSA: https://community.rsa.com/t5/securid-software-token-converter/rsa-securid-software-token-converter-3-1-downloads/ta-p/551562
Instructions on use: https://pages.cpsc.ucalgary.ca/~leo/support/rsa_import/
java -jar TokenConverter.jar token_file.sdtid -android|-ios|-winphone -d 5 -p PASSWORD -o output_filename -qr