How to open .QDA file extension?

If you cannot open a new file that has been saved in the .QDA format you need to download the appropriate software. The manufacturer of .QDA files is N/A; .QDA files belong to the Compressed Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .QDA files. Activities performed in the order described should solve the problems with all the files in the .QDA format.

• What is .QDA file?
• How to open .QDA file?
• What is .QDA file?