With macOS 10.10 Yosemite Apple introduced new App Extensions to add custom functionality for example to Finder. Since version 2.3.401 (733) Boxcryptor for macOS, the integration of Boxcryptor into Finder is implemented as a Finder Sync extension as recommended by Apple.
How to Uninstall Dropbox on Mac OS X | Uninstall guide Sep 11, 2017 Completely Uninstall Dropbox from Mac OS X - YouTube Jul 07, 2017
Aug 28, 2015
How to Uninstall Dropbox from Your Desktop or Mobile. Dropbox is the ultimate solution to your cloud storage and file synchronization problems. The file hosting service synchronizes your data on your device and the cloud storage simultaneously, giving you the ease of keeping a backup as you create data.
When files for the application you want to delete are all stored in one location, dragging the icon to the Trash will take care of most of the work. In Mac talk, apps like this are "bundled." To see the files in an application's bundle, click on its icon while holding down the Control key. You should see an option that says, "show package
Solved: Why did all of my files disappear? - Dropbox Community Sep 09, 2015 Dropbox - Should I Remove It? Dropbox is a file hosting service operated by Dropbox, Inc. that offers cloud storage, file synchronization, and client software. Dropbox allows users to create a special folder on each of their computers, which Dropbox then synchronises so that it appears to be the same folder (with the same contents) regardless of the computer it is viewed on. How to uninstall OneDrive on Mac - Full Removal Guide