Troubleshooting Ideas To Fix The Garmin Express Sync Issues!

Garmin Express offers a lot of features to support your fitness journey. One of the most popular features is the sync option, using which you can easily sync the activity records without a hassle. However, sometimes it may not sync data and show error. You must have tried rebooting your computer or have even uninstalled Garmin Express and installed it again, but still the error message saying ‘Garmin Express sync failed’ is popping up on your computer screen. What to do in such a situation? We will let you know. Read till the end to know about all the troubleshooting methods.


In order to save your precious time, here we have mentioned what you will get to know in this article. It’s good to get an idea of what you are going to learn ahead. By doing so, you can easily find out if it is the one you are looking for and can help you anyhow or not. So, let’s have a look.

  • Reasons behind the error ‘Garmin Express won’t sync’
  • Things to do before fixing Garmin Express sync error
  • How to sync data using Garmin Express?
  • Advanced solutions for rigid Garmin sync issues

So, let’s start.

Reasons Behind The Error ‘Garmin Express Won’t Sync’ 

The first step to get an error fixed is finding out the reason behind it. There may be several factors causing an error and once you reach to the root cause, it will be easy for you to get the issue resolved. You may keep predicting and trying to fix the error, but that won’t work until you get to the exact reason. So, it’s very important to check with every possible thing that may cause ‘Garmin Express Won’t Sync’ error and ensure which one is there in your case.

The possible reasons are:

  • Outdated Garmin Express Software

Even though, you will be getting a notification from Garmin Express app itself everytime a firmware update is there. Still, sometimes, due to some tech issues, it may not show the prompt message. We suggest you to keep checking for updates and ensure that you are not using an outdated software. 

  • Corrupt Files On Your Garmin Device 

If there are corrupted files on your device, it won’t be possible to get them uploaded on your Garmin Connect or Strava account. The reason behind this may be a malicious software or broken files that may enter your device while transferring fitness data or any of your activities from the computer.

  • Damaged Garmin Express Program 

There may be so many reasons behind Garmin Express not working in a proper way on your Garmin device. One of the most common reasons is a malicious software or file. However, if it is the first time when you are trying to sync your Garmin Express and not able to do so, you should check with the Garmin Express files. It may be a case of incomplete download and installation of the program.

For any further assistance, you can call Garmin Express Experts @1-833-201-7905 and get instant help. 

  • Space Deficit 

In case, you are trying to sync data to your Garmin connect account from your Garmin device or vice-versa, even a small space deficiency (may be in bytes) won’t let you sync your activities using Garmin Express.

  • Authentication Error

Incorrect Garmin Connect user credentials may also cause the error. The username and password used by you while logging in to your Garmin Express account must match with the one you had set up while creating the account as it is saved on the Garmin servers. So, if there is a mismatch, you will keep facing the error.

Now, you got to know all the reasons, let’s proceed with the troubleshooting!

Things To Do Before Fixing Garmin Express Sync Error 

Following things have to be done in order to completely resolve the error:

  • To start, check with the Garmin Express software version. In case, it is outdated, update Garmin Express program immediately.
  • Also, make sure that your Garmin device software is updated to the latest version.
  • Once, you update all the devices to be used in syncing data to your Garmin device, check the communicator plug-in. In case, you cannot find it there, you have to download and then install it.
  • You have to check your Internet connection too. The speed must be good and stable enough for your data to be transferred easily without an error.
  • If the Garmin Express program shows a server error, you should check with your network settings.
  • Apart from this, if Garmin Express says that your device is not yet connected, check this guide to resolve the ‘Garmin Device not found’ error.
  • In case, no software issue is detected, check the cables used to connect the Garmin device to your laptop or desktop. If you find them damaged, immediately replace the cables.
  • Also, check if there is any loose-end connection. In case, you find some, try to connect using another port on your computer.
  • After this, scan the Garmin device that is being used to sync the activity data. In case, there is any virus or malware, remove it right there.

Now, restart your computer and try again.

In case, still there was an error syncing with Garmin Connect- go to next section for solution.

In case, you feel that you will not be able to fix the error by yourself, you can call Garmin Express Experts @1-833-201-7905 and get instant help.

How To Sync Data Using Garmin Express?

Synchronizing is a one-way traffic. It collects fitness data from your Garmin device> transfers it to your Garmin Connect account > transmits it over to the GPS.

To automatically run this service on your Garmin device, you should follow these steps:

  • Download Garmin Express program form a trusted source and then install it on the computer.
  • Launch the Express program and then connect the Garmin device to be used for syncing to your computer.
  • Register your device with your Garmin Express account and then click the option ‘Sync now’ to start the sync.

Note: Before the process starts, you’ll have to login to your Garmin Express account using the registered email address.

  • After the login credentials provided by you are verified, the process to sync your activity data will automatically start.

In case, the sync process doesn’t start automatically, you can upload the activities or all the other data manually to your Garmin Connect account. Follow the below steps:

  • Connect your Garmin device to your computer with the help of a USB cable.
  • Now, go to the login webpage of Garmin connect and sign in to your account using authenticated username and password.
  • On the top right side of the webpage, click at ‘watch’ icon and select ‘Import data’.
  • Now, click the ‘Browse’ button and choose the file you want to upload.
  • Finally, click at ‘Import data’ and then wait till the the process gets finished.

Note: You should remember that Garmin connect app can only sync the files with extensions .FIT, .TCX or .GPX.

Once the sync process completes, you can view the uploaded files in Garmin Connect app.

However, in case the device fails to sync data using Garmin Express program, you can try the troubleshooting ideas given in next section.

In case, you feel that you will not be able to fix the error by yourself, you can call Garmin Express Experts @1-833-201-7905 and get instant help. 

Advanced Solutions For Rigid Garmin Sync Issues

If you are trying to sync data using Garmin Express program and get an error, it is basically because of corrupted files and you won’t be able to upload these files using Garmin express program. So, to resolve the error, follow these simple steps:

  • Get a reliable online repair tool for Garmin.
  • Note: To better understand this, let’s have a .FIT file as an example.
  • Now, go to the Garmin activity folder and check if any corrupted file is there [you can run a scan and get the file name in error details].
  • After this, copy the file to the desktop and then visit the repair tool website.
  • Now, click at the option ‘Choose file’ and upload the corrupted file from your desktop to that webpage.
  • Next, click the ‘Convert to_autofix Fit file’ option and let the repair tool do the job.
  • After the repair process gets completed, download the repaired file to the desktop.
  • Open your Garmin connect app and click the ‘Import’ button.
  • Next, choose the repaired file and then click the option ‘Import’ to confirm the action.
  • In case, the file is the one for your step count, you should open the folder ‘Monitor’ and replace the corrupted file with the repaired one [all the process of repairing the file will be same].

Note: You won’t be able to import the fixed file to Garmin connect account using the Import option. So, you need to rename the fixed file and then, copy this file to the Monitor folder. 

If the sync process fails again and again, upload your activities manually from the Garmin device to your Garmin Connect account (as defined in above section). Later, you should delete the files from your device that are causing the sync error with Garmin Express.

How To Delete files That Can’t Be Synced With Garmin Express?

To remove any corrupted files inorder to get all your future activity data synced using Garmin Express program successfully, you should follow the below steps, depending on the OS you are using:

For Mac OS X:

  • First, open Finder on your Desktop.
  • Click the ‘GO’ option in the menu bar.
  • Now, press and hold the option key.
  • Click ‘Library’ and release the key.
  • After this, open the folder ‘Application Support’ and then browse ‘Garmin’ > Cick ‘Garmin Express’ > open the folder ‘Registered Devices’.
  • Open the folder using the 10 digit unit ID for your Garmin device and drag the folder ‘Pending Sync Uploads’ to the desktop.

For Windows:

  • Press Win+R for run window to be opened and type ‘%ProgramData%’ in the given space.
  • Press ENTER and open Garmin folder.
  • After this, open the folder ‘CoreService’ > Open ‘Devices’ folder > Open the device folder using the Unit ID.
  • Drag the folder ‘Sync’ to the desktop.

Now, you can upload any activities manually to your Garmin Connect account.

How To Delete Files From Garmin Device To Free Up Some Memory?

Few activities may need more of your device memory to be stored. While exporting them, if you get a sync error with Garmin Express, follow the given steps to remove the files from the device:

For Sync Error On Windows PC:

  • Connect your Garmin device to the computer.
  • After that, press Windows +E on keyboard altogether.
  • Click ‘This PC’ and then double-click at the Garmin device folder.
  • Browse ‘Garmin’ > Open ‘Activities’ folder.
  • Select the unnecessary files to be deleted from your device.
  • Now, cilck the ‘Delete’ option to confirm the action.

For Sync Error On Mac OS:

  • First, open Finder on your Desktop.
  • Click the ‘GO’ option in the menu bar.
  • After this, click ‘Computer’ > Open Garmin device folder > Open ‘Garmin’ folder > Open ‘Activity’ folder.
  • Now, drag all the unwanted activity files to trash. By doing so, you will be able to free up more space in your device memory card.

You can now easily sync your Garmin device using Garmin express.

Note: Do not delete the files outside the folder ‘Activities’ as it may result into device performance issues.

In case, you feel that you will not be able to fix the error by yourself, you can call Garmin Express Experts @1-833-201-7905 and get instant help.

We hope, this guide helps you will all the sync issues you were preciously facing. Just follow the given steps and get your issues resolved easily by yourself. In case, you are not able to fix an issue or need any further assistance, you can contact Garmin Experts and get your problems fixed in no-time.

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