The data file might be damaged due to significant corruption.The update patch is not installed properly by the user.Call on the toll-free number 1.844.888.4666 anytime to get support on the line What are the Reasons Behind the Error Message – “Quicken is Unable to Open Source File”?īefore jumping to the solutions, let’s find out the root causes of the “Quicken can’t open data file” error description below. If Quicken can’t open your data file, which is saved locally, you should act fast and seek immediate assistance from an expert. On a different note, if you are trying to access the data file from local folders and Quicken still fails to comply with the command, there are a bunch of solutions you could try to fix the problem. If you want to access the data file from a different computer, you need to move the company file locally from the shared drive. Quicken can’t open your data file in a shared drive it can only create a backup on a network. However, it should not be used over a network or cloud-based shared drives like OneDrive, Google Drive, Dropbox, etc., as it is not designed to function in that environment. Quicken is an excellent choice to carry out your nominal accounting functions as it offers plenty of features.