Dropbox says I'm using 2.33GB, but my device shows I'm using 184MB.

What is at www.dropbox.com/home ? Does that match your desktop?

The important thing here is that syncing stops when you are over quota so your computer file size is possibly irrelevant. If the system shows you are over quota, you are. 

Also check www.dropbox.com/backups to make sure that's not activated. 

And dont forget shared folders use up space. 

The size on desktop properties say I'm using 184 MB. Online, I'm told I'm using  233 of 225 Gb.  It will not allow me to upload new files.

DonnaES, to clarify, are you unable to upload new files via your web account or your desktop app (even though it says you’re not over-quota)? 

If you compare the email address you see here with the one you see on your desktop app, are they the exact same? 

Finally, I’d like a screenshot of what you see on this page.

@DonnaES is not my email.  It is [removed per the Community's Guidelines].  Here's the screenshot.

Thanks for the screenshot DonnaES 

It seems that there are some backups in your account that are taking up the mentioned space.

Could you have a look at your backups page and let us know if that's the case?

If so, you can delete them to make up some space. 

I deleted the files I don't want. Told me I had to go to backup settings, which I couldn't get to.  Except now these files are showing in the Deleted folder, which will, it seems, be permanently deleted in 30 days.  Will that solve the problem?

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DonnaES wrote:

Except now these files are showing in the Deleted folder, which will, it seems, be permanently deleted in 30 days.  Will that solve the problem?

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Files in the Deleted Files folder don't take up space in your account. Permanently deleting them won't change your space usage as the space they once used has already been reclaimed.

Can you provide a new screenshot of the space usage on your Plan page, as well as one from your Backups page, please? Be sure to mask any private information if any is visible.