CRDOWNLOAD files are temporary files created by Chrome when you download a file from any Chromium-based browser. Learn how to open it.

Free Opener truly can open a large amount of formats, including documents, spreadsheets, presentations, PDFs, media, and code. Sadly, it can’t edit most of them.

To download files from Dropbox, you'll need to open Dropbox in an internet browser and find the file you want.

Google's latest 'blend online with offline' trick is automatically opening Google Drive files from the web with your desktop apps.