how-to-compress-files

Compression
  1. 1

    Select files to compress

    Select the file(s) or folder(s) you want to compress in Windows Explorer.

  2. 2

    Open the archive dialog

    Right-click and choose "7-Zip" > "Add to archive...".

  3. 3

    Choose archive format

    Select the format: 7z for best compression, ZIP for maximum compatibility, or others as needed.

  4. 4

    Set compression level

    Choose the compression level: Store (no compression), Fastest, Fast, Normal, Maximum, or Ultra. Higher levels compress more but take longer.

  5. 5

    Adjust advanced settings

    For 7z format, you can choose the compression method (LZMA2 recommended), dictionary size, word size, and solid archive settings for better ratio.

  6. 6

    Create the archive

    Click OK to start compression. The archive appears in the same folder as your source files.

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