Error 1666 occurs when you try to share a folder containing more than 30,000 files.
The solution below applies even if you have made the folder smaller and continue to get this error.
How to fix this:
To work around the file limit, follow these steps:
-
Create a new empty team shared folder with a different name.
- Important: Start with an empty folder.
- Learn how to create a shared folder
-
Invite your users to the new shared folder.
- Send out the invitation before adding files.
-
Move files into the shared folder only after the invitation is accepted.
- Once your users have joined, you can move files from the old folder into the new one without hitting the file limit.
-
Use the Sync desktop app for large file transfers
- For the fastest and most reliable results, use the Sync desktop app to move your files in bulk.
Still having trouble?
If the issue persists after following these steps, please contact our support team with details about what took place when the error occurred so this can be investigated further.