In order to repair damage to one of the two paired molecules of DNA, there exist a number of excision repair mechanisms that remove the damaged nucleotide and replace it with an undamaged nucleotide complementary to that found in the undamaged DNA strand.
Depending on the type of Quicken program used and the document(s) created, Quicken files can have one of several different extension types. The most common Quicken file extensions are the following: .qdf, .qsd, .qel, .qph.ata files in Quicken end with the file extension .QDF, and this is another way to search for your Quicken data files....
File-Extensions.org - The world's largest file extension library File extension or filename suffix is usually three, four or more characters at the end of computer file names divided by a dot. File extensions are useful to computer programs and operating systems like Windows or macOS (OS X), and basically telling them, what kind of data and file type they are working with and what associated program opens the file. File-extensions.org library contains thousands of file extensions and the database is still growing. A large number of file type entries have detailed descriptions, including their current use and the list of programs that can open, view, edit, convert or play unknown file you search for.