
NVivo release 1.0 to 1.5 and earlier projects needs to be copied and upgraded in order to open in NVivo release 1.6 or later. There are database changes between versions which prevents backward compatibility.

IMPORTANT Projects created in newer major versions such as NVivo release 1.6 cannot be opened in NVivo release 1.0 to 1.5, NVivo version 12, or earlier. you cannot open release 1 projects in NVivo version 12. Projects created in newer major versions cannot be opened in older major versions-e.g. you can open version 12 projects in NVivo release 1-the older-version project file is copied and the copy formatted for the newer version-the original file is not changed. Projects created in older major versions can be opened in newer major versions-e.g. See Identify NVivo version number below to identify the version number of your installation.

version 11 or 12, or release 1) and a minor number (the number after the decimal point, e.g. NVivo versions are identified by a major number (the number before the decimal point, e.g.
