.QDA

.QDA file extension

This is the basic program to work with .QDA extension

KaleidaGraph

KaleidaGraph KaleidaGraph Data File

KaleidaGraph is intended mainly for scientists as well as other business and engineering specialists who need to statistically process data and generate graphs to illustrate their results. The program is probably not as easy to use as other popular general-purpose data managing tools; however, its advantages make it a convenient alternative... (more)

The program works with the following extensions: qsc, qpl, qst, eqn, qda and qpc

.QDA extension is also supported by the following programs:

QSR NVivo

QSR NVivo

Facilitates advanced data management, analysis, and visualization.