OneDrive File Issues

How to Fix OneDrive Opening Files Very Slowly

Olivia Miller Sep 30, 2026 868 views

Question details

The user needs to resolve an issue where OneDrive takes an unusually long time to open files or folders, despite normal synchronization and folder creation functions.

How to Fix Slow File Opening in OneDrive

Product: Microsoft OneDrive
Device & OS: not provided
Scenario: Accessing and opening synchronized files or folders in OneDrive.
Observed behavior: Files and folders take 30 seconds or longer to open, likely due to large sync volumes, credential conflicts, or damaged configurations.

Before you start

Ensure you have a stable internet connection and check if there are any ongoing background system updates, as these can temporarily consume system resources and slow down OneDrive's performance.

Solution 1Recommended

Optimize OneDrive Synchronization Settings

Adjusting your sync settings and keeping frequently used files locally can significantly speed up file access times.

A massive volume of files syncing simultaneously can overwhelm OneDrive, leading to processing delays when attempting to open a specific file.

Check sync volume

Click the OneDrive icon in your system tray and ensure you aren't actively syncing an excessive number of items at once.

Pause and resume synchronization

Click the Gear icon in the OneDrive menu, select 'Pause syncing' (e.g., for 2 hours), wait a few moments, and then click 'Resume syncing' to clear minor hanging processes.

Keep files on device

Open File Explorer, locate your OneDrive folder, right-click frequently used files or folders, and select 'Always keep on this device' to eliminate cloud-retrieval delays.

Optimize OneDrive Synchronization Settings

Instant Access: Files marked with a solid green checkmark are stored locally and will open instantly without needing an internet connection.

Solution 2

Clear Office and OneDrive Credentials

Corrupted or conflicting cached credentials can cause authentication delays every time OneDrive tries to access or open a file.

Solution 3

Unlink and Reset the OneDrive App

If the application's configuration files are damaged, unlinking your account and resetting the OneDrive app can restore normal performance.

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Frequently Asked Questions

Why does OneDrive take so long to open files?

This usually happens due to a massive number of items being synced simultaneously, conflicting cached login credentials in Windows, or corrupted OneDrive configuration files causing delays during the data retrieval process.

Will resetting OneDrive delete my local or cloud files?

No, resetting the OneDrive application only clears its configuration settings and forces a full sync check. It does not delete any of your personal files or folders from your computer or the cloud.

How can I ensure my files open instantly every time?

By right-clicking the file or folder in File Explorer and selecting 'Always keep on this device', the file is downloaded and pinned locally. This ensures it opens immediately upon double-clicking, without relying on an active internet connection to download.

Document & File Issues