Flash Cleaning

For whatever the purpose you use BuhoCleaner, it's suggested to do a basic scan for your Mac with the Flash Clean feature. With a few simple clicks, you can have clear idea on your Mac storage status. Here are basic steps on how to use Flash Clean.

Before Start - Grant Full Disk Access

We encourage you to authorize the Full Disk Access to our app so as to let BuhoCleaner scan your macOS disk with a higher level of permission. To do so:

  1. Open BuhoCleaner, in Flash Clean interface, click Grant Access:
    Grant Access
  2. The program will open your System Preferences app and direct you to the Security & Privacy > Privacy > Full Disk Access.
  3. Now click the Lock icon:
  4. Enter your macOS passcode to allow this change. Then click Unlock.
  5. After that, in the app list above, click BuhoCleaner check box > Quit & Reopen.
  6. Once the system reopens the program, it denotes you have successfully enabled BuhoCleaner to get full disk access. Now you can see the Please authorize full disk access to find more result. Grant Access sign no longer appears.

How to Use Flash Clean

  1. Open BuhoCleaner, from its initial screen, click Scan to start.

    How To Use Flash Clean Step 1
  2. When BuhoCleaner begins to scan your Mac hard drive disk, you can see how it processes the scanning with the following details:

  • a): Scanning progress.
  • b): Scan result in file size.
  • c): Each junk file processed.
  • d): macOS junk file categories and results.
  1. When the scanning is over, you see a total amount of data that can be removed safely. Also you can view how much storage space occupied by the macOS system junk files. Click View Details to check specific information.

  2. In this junk file summary window, you can review all unneeded files. Here are the detailed explanations on each macOS system junk file type.

    • User Cache Files: User cached data on your Mac computer helps speed up the downloading the data from Internet or stored in iCloud. These cache data needs to be cleared periodically to make your Mac run more efficiently.
    • System Log Files: Every Mac has system log files stored inside its memory. Mac saves these system log files mainly for developers to diagnose and troubleshoot errors with macOS and system applications when they occur.
    • Browser Cache: The Safari, Chrome, Firefox or other browser app may save tons of cached data that consists the temporary media files, such as images and text files. They're gathered from sites you visit.
    • Unused DMG Files: Apple Disk Image is a disk image format commonly used by the macOS. When opened, a DMG file is mounted as a volume within the Finder. After installation, these DMG files may be no longer useful.
    • User Log Files: When an app crashes, you usually are asked to submit a error log file containing the bug report. The accumulated user logs gathered on your Mac may occupy a portion of storage space.
    • System Cache Files: macOS uses cache data to speed up system startup time. It's important to clear your cache periodically to help make your computer's applications run more efficiently.
    • Xcode Junk: By clearing intermediate builds and project indexes, you can not only reclaim free storage but also fix unwanted Xcode crashes and errors.
    • Trash Can: The Trash is a temporary storage space for files that have been deleted in a file manager by the user. They won't be permanently erased from your Mac unless you do the deletion manually.
  3. You can do some further operations in this macOS system junk summary window.

    1. Click Back to return to last screen.
    2. Choose to Select All / Deselect All items.
    3. Sort junk data by Size / Name. Filter by Ascending / Descending.
    4. Select or deselect a certain type of junk file.
    5. Sort by Size / Name. Filter by Ascending / Descending.
    6. Browse and open junk file in Finder.
    7. View total and selected storage space taken by junk files
  4. After reviewing the summary of the scan result, you can click Remove to start cleaning your Mac.

  5. When some items that’re not included from the default selection in Flash Clean scan has been selected, the program will ask for confirming. Click Continue.

  6. Next, you can see a progress screen showing how BuhoCleaner wipes out all macOS system junk files for you. Click Stop if you want to cancel the cleaning.

  7. In a short while, BuhoCleaner will finish cleaning your Mac. Click Done to return to Flash Clean screen.