Dropbox is actively working on full support for macOS 12.3 (Monterey) and higher. A private beta version is currently available to select users. If you’re interested in joining, you can turn on early releases to be notified when you’re eligible.
If you choose to update to macOS 12.3, you may have issues opening online-only files in third-party applications on your Mac. As a temporary workaround, you can open online-only files directly in Finder.
Note: On macOS 12.3, online-only files will show as zero bytes in size.
Note: Online-only files have a cloud icon next to them.
To open online-only files:
To make an online-only file available to open in third-party applications:
Once an online-only file has been downloaded in Dropbox, you’ll see the cloud icon change to a green checkmark.