Getting the Dropbox error 400 message? Try these fixes

3 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

Most error messages give away some hints on the cause of the issue, but not theDropboxerror 400. This is a pretty generic error code that pops up when signing in, exporting a file, or synchronizingDropboxwith another service.

How do I fix the Dropbox error 400?

1. Rename the file to fix Dropbox error 400 on uploads

Another variation of theerrorshows when you attempt to upload files toDropbox.

Erroron upload: The operation couldn’t be completed. (dropbox.com error 400)

If you get thisDropboxerror 400message, simply rename the file you want to upload. Renaming the file to a shorter name fixes the problem.

2. Reinstall Dropbox

If you are getting theDropboxerror 400 on the desktopDropboxapplication, use this solution.

3. Unlink Dropbox

4. Update your drivers

5. Perform a system restore

Follow the solutions closely to fix theDropboxerror 400. Bearing in mind that there are many causes of theerror, you may try a few before fixing the issue.

If none of these solutions work, let’s talk about it in the comments.

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Getting the Dropbox error 400 message? Try these fixes#

How do I fix the Dropbox error 400?#

1. Rename the file to fix Dropbox error 400 on uploads#

2. Reinstall Dropbox#

3. Unlink Dropbox#

4. Update your drivers#

5. Perform a system restore#