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....
Intuit only offers desktop versions of Quicken (meaning software you install on your own computer)--there's no online version. For QuickBooks there are both desktop and online versions. QuickBooks Online is the version specifically designed for online access (i.e., over an Internet connection). However, you can use an online hosting service to have access to a desktop version of either Quicken and QuickBooks over an Internet connection.