Independent guides for Windows users investigating disk usage with WizTree. Start with your task, then follow the related guides rather than deleting files simply because they are large.
Getting started
- Your First WizTree Scan on Windows
- Analyze Windows 11 Storage with WizTree
- Investigate Disk Usage on Windows 10
- Use Portable WizTree for a Storage Audit
- Plan a WizTree Installation on Windows
- Update WizTree Without Losing Your Audit Context
- When to Run WizTree as Administrator
- Choose the Correct Drive Before a WizTree Scan
- Scan a Folder Instead of an Entire Drive
- Check WizTree Requirements for Your Windows PC
Reading results
- Read WizTree Tree View Without Losing the Path
- Use WizTree File View to Investigate Large Files
- Understand WizTree Treemap Blocks
- Size and Allocated: Which Number Should You Use?
- Interpret Folder Percentages in a WizTree Report
- Compare Free Space with the WizTree Treemap
- Avoid Double Counting Hard Links in Disk Reports
- Investigate Compressed Files in WizTree
- Why a Sparse File Can Look Larger Than Its Footprint
- Why WizTree Totals Can Differ from Windows Used Space
Finding files
- Find the Largest Files on a Windows Drive
- Find Storage Used by a Particular File Extension
- Locate Large Video Files Before Moving Them
- Find ISO Files and Old Installation Images
- Audit the Downloads Folder with WizTree
- Investigate Files Behind Recent Disk Growth
- Review Old ZIP Archives Without Losing Backups
- Review Duplicate Candidates Before Deleting Files
- Choose a Search Scope That Matches Your Question
- Why a WizTree File List May Show Fewer Results
Safe cleanup
- Build a Safe Cleanup Plan from WizTree Results
- A Large Windows Folder: What to Check First
- Review WinSxS Size Without Manual Deletion
- Review Windows.old Before Reclaiming Space
- Why You Should Not Manually Clear Windows Installer
- Understand a Large pagefile.sys Before Changing It
- A Large hiberfil.sys: Assess Features Before Cleanup
- Check the Recycle Bin Before Measuring Cleanup Gains
- Investigate AppData Without Breaking Applications
- Investigate ProgramData Storage Safely
Workloads
- Compare OneDrive Logical Size with Local Disk Usage
- Audit an External Drive with WizTree
- Plan a WizTree Audit of a Network Share
- Find Large Files on a USB Drive
- Find Which Game Library Uses the Most Space
- Audit Virtual Machine Files on a Windows Host
- Investigate WSL Storage from the Windows Side
- Use WizTree to Review Backup Retention
- Investigate Large Mail Archives on Windows
- Review Photo Library Storage Without Losing Originals
Reports and diagnosis
- Plan a Useful WizTree CSV Inventory
- Compare Two Disk Inventories Fairly
- Create a Repeatable Storage Audit Record
- Share a Disk Usage Report Without Exposing Private Paths
- Investigate a Slow WizTree Scan
- Handle Access Denied During a Storage Audit
- Check Why a Drive Is Missing from a WizTree Audit
- Why Free Space May Not Increase After Deleting Files
- Troubleshoot Empty WizTree Search Results
- Verify a Cleanup with Before and After Measurements