Now, how to know if your Dropbox storage gets full? To know this, open your Dropbox, you will see the meter that if you are running out of storage. Also, you will get some symptoms if you are running out of storage, like you’ll not even be able to edit the files as well. So, therefore, checking your Dropbox space and updating it is the most important factor.
- Open Dropbox using your browser and select the avatar option located on the right side of the window.
- Then, click on the Settings option. Now, on the next window, select the Plan in order to know how much storage is available.

Is the File in use
Check that the file you want to upload in the cloud is currently in use or is open within some other application. If such is the case then the sync will not happen. Close the file first of all and then it should upload to the cloud.
Resume and Restart the Sync
- Go to the System tray > right-click on the Dropbox icon
- Click on the profile picture of the connected account
- Select the option Pause Syncing

- Leave for a few minutes and then select the option Resume Syncing
Corrupted DropBox Folder
Check whether the folder into which you want to upload your files is corrupt or not. You can try to upload the same file into another Dropbox folder. If the uploading/sync works, this means the first folder is corrupted.
Restricted Shareability
Dropbox generally allows the sharing of files and folders. In case anyone has shared a folder with you then you can sync the files of that folder. however, if that person is no longer sharing the folder, then you won’t be able to access the file or the folder. If the permission has been denied by the original sharer, that means the folder may not be visible anymore and you cannot further sync any file into it.
UnLink and Re-Link
- Go to the System tray > Click on the Dropbox icon
- Select Preferences > Click Unlink this DropBox
- Once done, restart your system
- Now add your account again to Dropbox. The complete process of sync will begin again. It will take some time to finish.
WhiteSpace Error
This issue happens when two folders or files have the same name but with an unused space within the name. For example GetDroidTips.docx and Get DroidTips.docx. Normally, it should show no error. However, there are reports from suer who have a problem syncing the file due to this issue.
Selective Sync Option in Dropbox
It might be possible that you enabled the selective syncing option, and the file you are trying to sync isn’t selected in that list. So, in that case, you need to follow some steps as mentioned below:
- Open the Dropbox on your Windows 10 PC and hover to the avatar located on the right side of the screen.
- Now, click on the Preferences followed by Sync.
- After that, select the Selective Syncing option.
- Now, you need to deselect or uncheck the boxes for all files present there in the next window. That’s it. Now, you can check. This time most probably, the not syncing issue gets resolved.

Check your Firewall Settings
This is a basic checking you should carry out. In most cases FireWall by Windows blocks external applications for safety purposes. So, check if DropBox is blocked by it. If that is the case, then unblock the application and now try uploading your files to DropBox. It should work now.
Also, check if your Anti-Virus program has blocked the application. t may do so if you have installed an application from an untrusted source or the site from which you have downloaded the .exe file also brought along some malware.
Clear Cache Files
This is also an effective fix that many players reported helps them to fix the Dropbox not syncing issue. So, you may also give it a shot. Hence, to clear cache files, follow these steps:
- Go to your C drive’s Program Files. Then, locate the Dropbox.
- After that, simply locate and open the .dropbox.cache folder.
- Then, press Ctrl + A to select and then delete them all.

You can also delete the cache file using the Run prompt application. First, open the Run box and type %HOMEPATH%. Then, click on the Dropbox followed by .dropbox.cache.
Re-install DropBox
Well, if everything else did not work, then you can try reinstalling the DropBox application. Stay assured that uninstalling DropBox will not remove or delete the files you have stored in the cloud storage.
- Go to Control panel > Uninstall a Program (under Programs and Features)

- From the list of applications highlight on DropBox.
- Double Click on it > Click on Uninstall

So, that was all about some basic troubleshooting techniques to fix the DropBox not syncing issue with Windows 10 PC. We hope that this guide was useful to you.