By Kelsey twitter/ Last Updated October 19, 2021

Why Do You Need Cloud Backup?

  • Are you afraid of accidentally losing the data stored on your hard drive?
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Stuck in OneDrive Sync Pending Problems?

OneDrive is a service based on the Internet and used to store files. But as you store and sync more files and folders, the higher the chance of encountering OneDrive sync problems. In most cases, OneDrive on the computer runs in the background and syncs files to the cloud. However, in a few cases, you might encounter the OneDrive not syncing issues, like OneDrive Sync pending stuck, etc.

OneDrive Sync Pending Stuck

Many users have reported that the Windows 10 offline files stuck on sync pending when they use OneDrive. In this guide, we will provide the most comprehensive and effective solutions. Before you start troubleshooting OneDrive, you may need to learn "why is mOneDrive stuck on sync pending" issue occurs.

Why Is OneDrive Suck on Sync Pending?

What does sync pending mean on OneDrive? This means that the file is being synced. However, if your OneDrive is stuck in sync pending, the sync function may no longer work properly, which will cause inconvenience to users.

There are a number of reasons why OneDrive folder sync pending stuck on Windows 10 or Mac:

  • If you are running an older version of the application, you may meet unresolved OneDrive sync bugs.

  • If you run out of space on the cloud, sync may stop.

  • OneDrive has a limit on the size of file uploads, and OneDrive Sync pending may be stuck on a file that exceeds the upload limit.

  • Unstable network connectivity can affect the sync process for OneDrive.

  • The operating system update is incorrect.

  • Your permission to sync files using OneDrive was denied.

  • There is too much cache stacking in the OneDrive application.

No matter what reason you get stuck in OneDrive sync, we'll help you out in this detailed guide, please read the following patiently to find the right way to fix your OneDrive not syncing issue.

8 Ways to Fix the OneDrive Sync Pending Stuck Issue

According to the main reasons that easily cause OneDrive Sync pending stuck on Mac and Windows 10, we provide 8 effective solutions. Try the following methods to fix the OneDrive offline files stuck sync pending problem.

Solution 1. Install the latest Windows updates

If the Windows 10 offline files stuck sync pending, the correct update to the operating system may resolve the issue.

Step 1. Open the Settings on the computer, click Update & Security.

Step 2. Click the Windows Update tab, and then click the Check for updates button on the right panel.

Windows Update

Solution 2. Check the OneDrive restrictions

  • If the file size you are trying to upload exceeds 20 GB, the process will fail.

  • If you use the latest version of Microsoft Edge or other popular web browsers, the maximum limit for uploading files to OneDrive is 100GB and the file size limit for business accounts is 15GB.

  • If you use OneNote files, the file size is limited to 2GB.

  • File name characters are limited to 400, and OneDrive does not sync files with invalid characters (/ \ <>: *"?|) and invalid files (temp files, etc.).

  • If you're using, you can't sync more than 2,500 files at the same time.

Solution 3. Reset OneDrive

If you get stuck in OneDrive sync pending, you can try to reset OneDrive to fix it.

Note: Take this operation will resync all OneDrive files.

Step 1. Press the “Windows + R” key simultaneously to open the Run dialog.

Step 2. Then copy and paste this text: %localappdata%\Microsoft\OneDrive\onedrive.exe /reset, and click OK.

Reset OneDrive

Tip: If you get a “Windows cannot find...” error message, please input the command instead: C:\Program Files (x86)\Microsoft OneDrive\onedrive.exe /reset

Step 3. Your OneDrive desktop app will restart (the OneDrive icon disappear and re-appear) after minutes, and the OneDrive sync will start again to fix OneDrive stuck when sync pending issue.

Step 4. If OneDrive does not restart, you could run the following command on Run dialog to restart OneDrive:


Then the OneDrive status sync pending will be solved.

Solution 4. Update OneDrive client manually

The OneDrive client will be updated automatically, but some users will turn off automatic updates. The older version of the application can cause many issues. And you need to manually update the OneDrive app.

Step 1. Navigate to the OneDrive website, then download and install the latest client to the computer.

Step 2. Click Start on the computer. Type OneDrive into the search box, and click on the topmost result to start it. Then sync pending in OneDrive should be fixed.

Solution 5. Connect your OneDrive account manually

Step 1. Press the “Win+I” key to open the Settings window, click Accounts > Email & accounts in the left taskbar, then click Add an account.

Add An Account

Step 2. Enter your login credentials to add your OneDrive account manually.

Step 3. Then, you can relaunch the syncing process to check if the OneDrive sync pending stuck problem is fixed.

Solution 6. Troubleshoot the OneDrive

If the OneDrive fails temporarily, you can troubleshoot it.

Step 1. Press the “Win+I” key to open the Settings window, type Find and fix problems with Windows Store Apps in the search box and select it.

Find and fix problems with Windows Store Apps

Step 2. It will look for possible conflicts and errors in applications installed from the Microsoft Store. Then select Apply repairs automatically and click Next, and then follow the instructions given to repair the error.

Apply repairs automatically

Solution 7. Turn off the Office upload

Some reports indicate that the automatic office upload option may tamper with the ongoing functionality of OneDrive, and you can turn it off.

Step 1. Open OneDrive's Settings and click the Office tab.

Step 2. You need to uncheck the Use Office to sync Office files that I open option, and then click the OK button to save your selection.

Turn off the OneDrive Upload

Step 3. Restart the OneDrive app to resolve the OneDrive sync pending issue.

Solution 8. Check your storage

If your OneDrive account doesn’t have enough space, you may encounter the problem of sync pending stuck on OneDrive.

Step 1. First, you need to check the free space on OneDrive. Click here to go to the OneDrive interface and log in with your account credentials.

Step 2. Click Manage storage, you can check the used space and free space on OneDrive. If the space is insufficient, you can click Empty recycle bin to release some space or upgrade your account.

OneDrive Manage Storage

Step 3. You also need to check the disk space. Please right-click the local disk, click Properties, then under the General tab, click Disk Cleanup to manage your storage.

Disk Cleanup

Tip: Get more OneDrive storage for free

OneDrive only provides 5GB of storage for free users, and some users may not have the budget to upgrade their OneDrive accounts. Fortunately, the free yet professional cloud backup service CBackup can help you get more space for backup without buying extra storage.

CBackup Main Page

CBackup allows you to add multiple cloud storage accounts (different accounts or different clouds). Therefore, you could use CBackup to get extra cloud storage for OneDrive by merging multiple OneDrive accounts into one big backup space.

Step 1. Please create a new CBackup account and sign in to CBackup website or desktop application.

Sign Up

Step 2. Click the My Storage tab, then click (the plus icon and) choose the Add Cloud option, select OneDrive and click Add. Add more OneDrive accounts or other clouds (Dropbox, Google Drive, etc.) in the same way.

My Storage Add Cloud

Select Onedrive

Step 3. In the next window, modify the Display name and Storage path for OneDrive. Then, click the checkbox before Note and click OK.

Complete Onedrive Info

Step 4. Then click My Storage > + (the plus icon) > New Combined Cloud, then tick all the cloud drives you added, then determine the order to store files, and click OK, then your OneDrive cloud storage space has increased successfully.

Tick All Onedrive Accounts

Now you have a big OneDrive backup space now. It is worth mentioning that CBackup will not limit the number of accounts you add. If you have enough accounts, combining their cloud storage space can even increase OneDrive cloud storage to unlimited cloud space.

Workaround: Avoid OneDrive Sync Pending Stuck Issue Thoroughly

Then you could use the professional cloud backup tool - CBackup to backup files to OneDirve directly using the CBackup client to avoid the OneDrive sync pending stuck problem. With this app, you could enjoy more cloud storage (CBackup Cloud - free 10GB). And if you need to buy a larger backup space, CBackup provides a cheaper backup plan.

Here is how to backup files to OneDrive automatically via CBackup:

Step 1. Tap the Backup Tasks tab on the left, then click + New Task button.

Create Task

Step 2. Specify the Task Name, and click Add Source to choose the files you want to backup to OneDrive, click Add Destination > Single Cloud to choose OneDrive as the target.

Add Source

Tip: CBackup Cloud offers free 10GB of storage, which you can target if you have more data to back up.

Step 3. (Optional) Tap Settings at the bottom left, tick Set a backup schedule for automated backup at the Scheduler tab, then choose a time to backup: at a specific time, daily, weekly, or monthly, and hit OK.

Schedule Backup

4. Press Start Backup to backup computer to OneDrive easily and automatically.

Start Backup Computer to OneDrive

Now your files will be synced to OneDrive without having the sync pending stuck problem on OneDrive.

Final Words

It’s easy to fix the OneDrive Sync pending stuck on Mac and Windows 10 with the above 8 solutions and pay attention to check the main reasons that easily cause OneDrive not syncing to effectively avoid the problem. In addition, if your OneDrive storage is insufficient, you can use the free CBackup to combine multiple cloud storage accounts to get more backup space, even backup files to OneDrive directly.

Get Unlimited Cloud Storage for Free to Protect Files with CBackup

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