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How to Fix Dropbox Not Syncing

How to Fix Dropbox Not Syncing in 2024: Fix Sync Issues With Your Dropbox Folder

Like most cloud storage services, troubleshooting Dropbox syncing issues can get confusing quickly, thanks to the endless list of possible factors behind them. This step-by-step guide will show you all the things you can try to resolve sync errors in Dropbox.

Samuel OkoruwaSapphire FoxJasna Mishevska

Written by Samuel Okoruwa (Writer)

Reviewed by Sapphire Fox (Editor)

Facts checked by Jasna Mishevska (Lead Fact-Checking Editor)

Last Updated: 2024-01-25T11:08:20+00:00

All our content is written fully by humans; we do not publish AI writing. Learn more here.

Dropbox makes syncing files across devices very simple, whether you’re using it on your computer, phone or tablet. However, if Dropbox has stopped syncing properly, it’s often difficult to figure out the problem. Luckily, in this article, we’ve listed some common causes of Dropbox not syncing and how you can troubleshoot this problem.

Key Takeaways: Fix Dropbox Files Not Syncing

  • Dropbox sync issues can occur for various reasons, including a poor internet connection, limited storage space, outdated app versions and excess cache.
  • If Dropbox stops syncing files, you can try restarting the application, checking your internet connection, clearing Dropbox cache and confirming that you named the files correctly. 
  • If none of these tips work, contact Dropbox support. 

The troubleshooting tips in this article are for Windows PC users, but many of them apply to any operating system, including macOS, iOS and Android. Trying some of these tips should help you get back to syncing files in no time. It’s also important to know that you can always contact Dropbox support if you’ve tried everything and the issue still persists. 

To avoid running into Dropbox not syncing issues in the future, always keep an eye out for updates to the Dropbox app. If you’d like to learn more about Dropbox, you can read our Dropbox review and guide to what is Dropbox

  • 02/13/2023 Facts checked

    Rewrote the article with new images and current information to fix Dropbox not syncing. 

Why Is Dropbox Not Syncing?

If you’ve found that Dropbox stopped syncing, you’ll want to find a solution to make sure your files are safely stored in the cloud. Before we go over the steps you can take to troubleshoot Dropbox syncing issues, let’s first look into the possible reasons for them. 

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One common culprit is a poor internet connection. If your connection to the internet is unstable, Dropbox may be unable to sync your files.

Programs like antivirus and firewalls can also block Dropbox due to incorrectly flagging it as malicious.

Another possible reason for Dropbox syncing issues is a lack of storage space. If you’ve run out of space on your computer’s hard drive and Dropbox account, you may experience syncing issues. 

Excess cache and data on your computer can also cause Dropbox to stop syncing properly. When cache accumulates on your hard drive, it can slow down or even block Dropbox from accessing or uploading files. 

How to Fix Dropbox Not Syncing

Now that we’ve addressed common reasons why you may be unable to sync files in Dropbox, we’ll look at the steps you can take to fix these issues. This section covers basic as well as advanced things you can try if Dropbox stopped syncing. Here are some things you can try to fix Dropbox syncing issues.

1. Refresh or Restart Dropbox 

This simple yet effective step is quite easy to overlook. Restarting your Dropbox application helps shut down background processes that could be interfering with file syncing on Dropbox. 

To refresh the Dropbox website, just click the “refresh” button or press “F5” on your keyboard. Restarting the Dropbox application involves a few more steps. 

Here’s how to restart the Dropbox app. These simple steps should fix the sync issue if it was caused by background processes. 

  1. Open the Dropbox Application Folder

    Locate the Dropbox application in the system tray on your computer.

    dropbox system tray
  2. Right-click the Dropbox App

    Right-click the Dropbox app and click your profile icon at the top right-hand side of the page.

    dropbox right click
  3. Click on Your Profile

    Click on your profile icon and select “quit.”

    dropbox profile

2. Check Your Internet Connection

There are several ways you can test if a poor internet connection is the cause of your sync issues. First, you can easily test whether your internet connection is stable by typing a few URLs into your web browser and loading them. If the pages lag or don’t open at all, then your internet connection may be the reason for Dropbox not syncing. 

You can also test your internet connection by running a speed test in a fast browser. Websites such as and let you test the speed of your internet connection. We’ll use to show you how you can run an internet speed test. 

  1. Run the Test

    Load in your web browser. Click on “go” and wait for the results to show up.

    dropbox run test
  2. Assess the Results

    SpeedTest shows you the measure of your network’s download speed, upload speed and ping. Check the figures and compare them to the speeds you expect from your internet provider. If the results fall short, the issue may have to do with your internet connection.

    dropbox test result

3. Clear Your Dropbox Cache

You may run into problems when syncing files on Dropbox if cache and data have piled up significantly on the app. Cache contains temporary files, which can build up and start to affect application performance over time. Follow these steps to clear Dropbox’s application cache. 

  1. Open the Dropbox Cache Folder

    To access the Dropbox cache, press “Windows + R.” This should open the “run dialog.” Enter %HOMEPATH%\Dropbox\.dropbox.cache into the “run” window and click on “OK.” This should lead you to the cache page.

    dropbox open cache
  2. Delete the Cache

    In the cache folder, select the cache you wish to delete. Right-click on the file from the dropdown menu that appears and tap the “delete” button. Once you delete the cache, check to see if Dropbox is now syncing properly.

    dropbox delete cache

4. Check Your Storage Space

If you’ve run out of disk space, the files you upload to Dropbox will stop syncing. You can check the available space by doing the following steps.

  1. Open “This PC”

    Open file explorer from the taskbar and select the “this PC” icon on the left-hand corner of the screen.

    dropbox this pc
  2. Open the Hard Drive

    Locate the hard drive in “this PC.”

    dropbox hard drive
  3. Select “Properties”

    Right-click on it and select “properties.” 

    dropbox properties
  4. Check the Disk Space

    At this point, the “properties” window will appear, allowing you to note the disk space under the “general” tab.

    dropbox disk space

If you find that you’re running out of space on your device, you can use Dropbox’s Smart Sync and Selective Sync feature to free up more space on your device. These two features come in handy when you don’t need to access all the files in your Dropbox account through your computer. Read our Dropbox Smart Sync guide to learn more about them.     

5. Check the File

Dropbox does not support the use of certain special characters, as well as emojis or emoticons, in file names. The special characters you can’t use for file naming include \ / : * ? “< > |. Check your file names to make sure they don’t have any special characters. Some OSs don’t even support the use of these characters in file naming, as shown in the image below.

dropbox check file
Dropbox doesn’t permit these special characters for file naming: \ / : * ? “< > |, as well as emojis and emoticons.

6.  Contact Customer Support 

If you’ve tried the above steps and your files are still not syncing, consider contacting Dropbox support. Follow these steps to contact the support team. 

  1. Visit

    Type “” into the address bar on your web browser to navigate to Dropbox’s website.

    dropbox website
  2. Click on the Question Mark Icon

    Tap the question mark icon at the top right-hand corner of the homepage.

    dropbox question mark
  3. Click on “Help Center”

    On the dropdown menu that appears, tap “help center.”

    dropbox help center
  4. Click on “Contact Support”

    Tap “contact support” at the top right-hand corner of the screen.

    dropbox contact support
  5. Choose Your Preferred Mode of Support

    You can contact Dropbox support via live chat, email or the community. On the support page, you’ll also find helpful articles addressing frequently asked questions (FAQ).

    dropbox preferred support

Final Thoughts: Dropbox Won’t Sync 

If Dropbox is not syncing and none of the above steps work, there are other things you can try. You can confirm whether you’re using the most recent version of the Dropbox app. You can also check the Dropbox status page for information on how well the system is performing. As a last resort, you can always contact Dropbox support for assistance. 

We have other helpful guides, such as how to recover deleted Dropbox files or how to delete a Dropbox account.

Have you ever run into Dropbox syncing issues? What did you do to solve them if Dropbox doesn’t sync files? If you have other helpful hacks, let us know in the comment section below. As always, thanks for reading. 


  • When you upload files to Dropbox, it automatically syncs them across all your devices. It also does this whenever you make changes to them.

  • Your Dropbox files may be taking a long time to sync for several reasons, including a slow internet connection, large files, network congestion or syncing a large number of files.

  • To do this, visit the Dropbox website and install the Dropbox application for Windows PC. Once you set the app up, all you have to do is copy or drag and drop files you want to sync from any location on your computer to the Dropbox application folder.

  • There are several reasons why Dropbox may not be working properly on your computer, from internet connection issues to server issues to interfering programs, such as antivirus software.

  • Some common reasons your Dropbox folder may not be syncing include an unstable internet connection, conflicting programs such as antivirus software, excess cache and using an outdated version of Dropbox.

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