Cause: The R2LIC file was opened and resaved by a text editor (e.g., Notepad), breaking its binary signature.
Fix: Request a fresh R2LIC from support. Never edit .r2lic files. rainlendar license r2lic
A: R2LIC is the official format for v2/v3. keyfile.dat is obsolete from Rainlendar v1 (2005-2009). Do not mix them. Cause: The R2LIC file was opened and resaved
Once you have the .r2lic file, activating Rainlendar Pro is straightforward. There are three methods: rainlendar license r2lic
Treat your R2LIC like a password. Save it in: