Fix Windows 10 file size incorrect like a PRO

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Some users have been a little baffled by properties windows showing them wrong calculation of file and folder size. File Explorer shows some users that a few of their subfolders actually have larger sizes.

Thus, Windows must be miscalculating the sizes of the primary folders when properties windows show that some subfolders are larger than the main folders they’re in.

Why do the Folder Properties report incorrect folder size on Windows 10? Fix this by reducing file title lengths. If some folders or files eclipse 255 characters, File Explorer will provide false readings. Also, while waiting for an update to fix this, you can check the actual folder sizes with TreeSize.

Read about solutions in detail below.

Fix Wrong calculation of file and folder size by Windows

  1. Reduce File Title Lengths That Eclipse 255 Characters
  2. Check Folder Sizes With TreeSize

1. Reduce File Title Lengths That Eclipse 255 Characters

Users have stated that they’ve fixed File Explorer folder size miscalculations by editing file and folder titles that eclipse 255 characters. Those users greatly reduced those file or folder titles so that they are much shorter than 255 characters.

Users can scan for folder and file titles that eclipse 255 with the TLPD software. TLPD will generate a text document that lists all file and folder titles that eclipse a specified number of characters. This is how users can scan for files and folders that eclipse a 255 character threshold with TLPD.

  1. First, click Download Now on this Softpedia page to save the TLPD ZIP file.
  2. Open the TLPD ZIP in File Explorer, and press the Extract all button.extract compressed zipped folders
  3. Click Browse to choose a path to extract TLPD too.
  4. Select the Extract option.
  5. Then click TLPD.exe or TLPD_x64 in the extracted TLPD folder to open the window shown directly below.check a specific drive or path
  6. Select the No option to check all directories and drives. However, some users might prefer to select Yes to more specifically scan the directory path that includes the folder with the wrong size.
  7. Enter ‘255’ in the text box, and click the OK button.threshold 255
  8. Thereafter, users can open the text document that includes the scan results from the %TEMP% folder. Press the Windows key + R hotkey.
  9. Then enter ‘%TEMP%’ in Run, and press the OK button.
  10. Click TLPD-log to open the text document in Notepad as shown directly below.tldp log
  11. Now users can see the paths that include folder and file titles that eclipse 255. Look for paths that include folders with miscalculated sizes.
  12. Then users can open the listed paths in File Explorer, right-click the file or folder titles, and select Rename to edit them. Enter a new folder or file titles that are much shorter than 255 characters.

Read also: Best Windows 10 Disk Space Analyzer Software to find Space Hogging Files

2. Check Folder Sizes With TreeSize

There is various disk space manager software for Windows 10 users can check folder sizes with. Users who really need more accurate folder size details can add TreeSize to Windows 10. That provides users with a more detailed file and directory size overview than Explorer.

  1. To add TreeSize to Windows 10, click the Download button on the software’s webpage.
  2. Open TreeSize’s setup wizard to install the software.
  3. Then open Treesize’s window.TreeSize application
  4. Click the Select Directory button to open a more specific path in TreeSize.
  5. Then press the Allocated Space button to get a more detailed overview.

So, editing folder or file titles that eclipse 255 characters might fix File Explorer folder size discrepancies. Alternatively, add TreeSize to Windows 10 to check folder sizes.

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