Excel Performance Problems

Fix Excel File Running Slowly in OneDrive Desktop Folder

Maira Mehtab Sep 28, 2026 869 views

Question details

A user is experiencing severe performance issues with a specific, small Excel workbook when accessing it via the local OneDrive folder.

How to Fix Excel File Running Slowly in OneDrive Desktop Folder

Product: Microsoft Excel, OneDrive
Device & OS: not provided
Scenario: Opening, editing, and applying filters to a small Excel workbook synced via the local OneDrive desktop folder.
Observed behavior: The Excel file becomes extremely slow, with actions like filtering taking up to a minute, despite the same file working normally in Excel Online.

Before you start

Ensure your OneDrive desktop application is fully up to date and check your system tray to verify that no large files are currently stuck in the syncing process.

Solution 1Recommended

Rebuild the Affected Excel Workbook

Create a new Excel file and migrate the data to eliminate file-specific metadata corruption or background sync glitches.

When an issue affects only a single small file (such as a 5 KB workbook) while others work normally, the file itself may have accumulated corrupted metadata or excessive hidden formatting that conflicts with OneDrive's sync engine.

Create a new file

Open Microsoft Excel and click on 'Blank workbook' to create a completely new file.

Open the slow workbook

Navigate to your local OneDrive folder and open the affected Excel file.

Copy the data

Select the contents of the original file. To avoid copying corrupted formatting, copy the data item by item or column by column.

Paste without formatting

Right-click in the new workbook and choose 'Paste as Values' to insert the raw data without bringing over problematic hidden elements.

Save and test

Save the new workbook to your OneDrive folder and test its performance by applying and removing filters.

Data Integrity: Rebuilding the file effectively cleanses it of hidden bloated data, often immediately resolving unexplainable lag.

Solution 2

Unlink and Relink Your OneDrive Account

Re-establish the connection between your PC and OneDrive to resolve background synchronization bugs causing the file to lag.

Solution 3

Reset the OneDrive Desktop Application

Clear OneDrive's cache and reset its configurations to fix deeper syncing issues that stall local file operations.

Free Microsoft Office alternative

Try WPS Office for Fast and Seamless Spreadsheet Editing

If Microsoft Excel continues to struggle with OneDrive file synchronization, consider switching to WPS Office. It is a highly optimized, lightweight alternative that handles spreadsheets smoothly without background sync-related lag.

1. Download and Install: Visit the official WPS website to download the free version of WPS Office and install it on your computer.
2. Open your Spreadsheet: Launch WPS Spreadsheet and navigate to your local OneDrive folder to open the affected file.
3. Edit Seamlessly: Experience faster filtering and editing without the lag caused by background syncing issues.

Fully compatible with Microsoft Excel (.xlsx, .xls, .csv) formatsLightweight architecture ensures small files open and filter instantlyFamiliar user interface requires zero learning curveBuilt-in cloud sync options that don't interfere with local desktop performance

microsoft office alternative - wps office

Frequently Asked Questions

Why does my Excel file work fast online but slow on the desktop?

Excel Online runs on Microsoft's cloud servers, bypassing your local computer's resources and desktop sync processes. When opened locally, the OneDrive desktop app constantly tries to sync changes in real-time. If there is a sync conflict or file corruption, it can cause severe lag.

How do I know if the performance issue is caused by Excel or OneDrive?

You can isolate the issue by moving the Excel file out of the OneDrive folder (e.g., to your local Desktop) and opening it. If it runs smoothly, the issue is related to OneDrive syncing. If it still runs slowly, the problem lies within the Excel file itself.

Can excessive conditional formatting cause a small file to run slowly?

Yes. Even if a file has a small size (like 5 KB), corrupted or excessive conditional formatting rules applied to entire columns or rows can severely impact performance, especially during filtering or sorting.

Will unlinking OneDrive delete my local files?

No. Unlinking your PC from OneDrive only stops the synchronization process. Your locally downloaded files will remain safely in the OneDrive folder on your hard drive.

Excel & Data Problems