OneDrive File Issues

How to Analyze Storage Usage by Folder in Personal OneDrive

Partner Editor Sep 27, 2026 868 views

Question details

The user wants to view a detailed folder-by-folder storage breakdown in Personal OneDrive, but the online platform currently only displays individual large files and total storage limits.

How to Analyze Storage Usage by Folder in Personal OneDrive

Product: Personal OneDrive
Device & OS: not provided
Scenario: Managing cloud storage space to identify which specific folders are consuming the most capacity.
Observed behavior: The OneDrive website shows overall file sizes and a list of large files, but lacks a native folder-by-folder storage breakdown similar to local disk-usage tools.

Before you start

Ensure you have the OneDrive desktop client installed and an active internet connection if you plan to synchronize your cloud files for local disk analysis.

Solution 1Recommended

Use the Native OneDrive Storage View to Identify Large Files

While OneDrive lacks detailed folder-level metrics, you can use its built-in storage manager to quickly find and remove the largest individual files taking up space.

This method is the quickest way to free up space without downloading any files to your local drive. It focuses on identifying specific large items across your entire OneDrive account rather than calculating folder sizes.

Access OneDrive Settings

Log in to your personal OneDrive account through your web browser. Click on the gear icon located in the top-right corner to open the Settings pane, then select Options.

Navigate to Storage Manager

In the left-hand menu, click on Manage storage. This page provides a summary of your total used space and remaining capacity.

Review Large Files

Click on the link that says 'What's taking up space?'. This will generate a list of the largest files stored in your account, regardless of which folder they are in, allowing you to delete them directly.

Use the Native OneDrive Storage View to Identify Large Files

Solution 2

Synchronize Locally and Use a Disk-Usage Tool

Sync your OneDrive files to your computer to analyze folder sizes using Windows File Explorer or trusted third-party disk-usage software.

Solution 3

Submit a Feature Request via the Feedback Portal

Because native folder storage metrics are missing from the web interface, you can formally request this feature from Microsoft to improve future versions.

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Frequently Asked Questions

Why does the OneDrive web interface not show folder sizes?

Currently, the OneDrive web interface is optimized for server performance. Calculating dynamic folder sizes for millions of users on the cloud interface demands significant processing power, so Microsoft only natively displays overall usage and individual large files.

Can I check my synced OneDrive folder sizes on a Mac?

Yes. If you sync your OneDrive to your Mac, you can open Finder, navigate to your OneDrive directory, select a folder, and press Command+I (Get Info) to view the total size of that specific folder.

Does deleting files from a synced local OneDrive folder free up cloud space?

Yes. When your OneDrive client is actively running and syncing, deleting a file or folder from your local OneDrive directory will also permanently remove it from your cloud storage, thus freeing up your online space.

Will disabling 'Files On-Demand' use up my local hard drive space?

Yes. Disabling the Files On-Demand feature forces OneDrive to download a physical copy of every cloud file to your computer's hard drive. Only do this if you have ample physical storage space and need all files available completely offline.

Document & File Issues