SharePoint Document Issues

How to Fix SharePoint and Teams Files Not Syncing Correctly

Maira Mehtab Sep 20, 2026 868 views

Question details

Users are experiencing synchronization issues between Microsoft Teams and SharePoint, where file modifications made in one location are delayed or entirely missing in the other.

Product: Microsoft Teams, SharePoint
Device & OS: Windows
Scenario: Collaborating on documents and attempting to access up-to-date files across Microsoft Teams and SharePoint libraries.
Observed behavior: Files opened in Microsoft Teams do not appear synchronized with the corresponding SharePoint library due to underlying network, cache, user profile, or backend server issues.

Before you start

Ensure your computer has an active, stable internet connection, and check with colleagues to see if they are experiencing the same synchronization delays to rule out a temporary Microsoft server outage.

Solution 1Recommended

Check Network Connections and Disable VPNs

Network restrictions, proxies, or VPNs can block the specific traffic required for Teams and SharePoint to synchronize properly.

Synchronization relies on continuous background connectivity. Security software or strict network configurations often interrupt the communication channels Microsoft 365 uses.

Verify internet connectivity

Open a web browser and load multiple web pages to ensure your internet connection is active and stable without packet loss.

Disable active VPNs

Temporarily disconnect from any Virtual Private Network (VPN) software running on your device.

Turn off firewalls or proxies

Temporarily disable third-party firewall applications or network proxy settings, then attempt to edit and sync the files again to determine if connectivity was blocking the process.

Network Allowlisting: If turning off the firewall resolves the issue, you may need to ask your IT department to allowlist Microsoft 365 URLs and IP addresses in your network configuration.

Solution 2

Clear the Microsoft Teams Local Cache

Corrupted or outdated local cache files in Teams can prevent real-time file synchronization with the SharePoint server.

Solution 3

Test a New User Profile or Contact Support

If local troubleshooting fails, the sync problem may stem from a corrupted Windows user profile or a backend Microsoft 365 server issue.

Free Microsoft Office alternative

Try WPS Office for Seamless Cloud Collaboration

If persistent synchronization issues in Microsoft Office and SharePoint are disrupting your team's workflow, consider switching to WPS Office. It provides a lightweight, highly compatible alternative with its own reliable cloud storage for smooth collaboration.

1. Download the software: Visit the official WPS Office website to download the free installation package for your device.
2. Sign in for cloud syncing: Launch WPS Office and sign in to activate your free cloud storage space for document syncing.
3. Collaborate easily: Open your existing Office documents directly in WPS and share links with your team for hassle-free collaboration.

Excellent format compatibility with Microsoft Word, Excel, and PowerPoint filesBuilt-in WPS Cloud for reliable real-time document synchronizationFree, lightweight, and fast-loading alternative to resource-heavy enterprise suitesFamiliar user interface requiring zero learning curve for new users

Frequently Asked Questions

Why are my Teams files not updating in SharePoint instantly?

Synchronization delays are typically caused by network connectivity interruptions, interference from a VPN or security firewall, or a corrupted local cache within the Microsoft Teams application.

Will clearing the Teams cache delete my actual files?

No. Clearing the Microsoft Teams cache only removes temporary background data used by the application to load faster. Your actual documents remain safely stored in the cloud on SharePoint and OneDrive.

How long does it normally take for Teams to sync with SharePoint?

Under standard network conditions, synchronization between Microsoft Teams and SharePoint happens almost instantly (usually within a few seconds). If changes take several minutes to appear, there is likely a connectivity or server-side issue.

Can I manually force a file sync in SharePoint?

Yes. When viewing your document library in the web version of SharePoint, you can click the 'Sync' button in the top menu bar to manually trigger a synchronization with your local OneDrive desktop application.

Document & File Issues