Attention: Before Upgrading to MR4 from any version of MR3, ensure you have a backup of your data, and that there is plenty of space on your PC or on your preferred External Database location to import your database. Refer to the separate document, 🔗MR3 Backup and Management, for instructions on creating a backup of your database.
Attention: Data is not compatible between MR3 and MR4, including External Databases. Data stored in MR4 cannot be imported back into MR3.