ZIP Files

How to Create a ZIP File

You don't need any extra software to build a ZIP file — both Windows and macOS include the feature natively.

Windows 11 and Windows 10

1. 1Select the files or foldersIn File Explorer, select everything you want to include (hold Ctrl to select multiple items).
2. 2Right-click the selectionOn Windows 11, choose Compress to → ZIP file. On Windows 10, choose Send to → Compressed (zipped) folder.
3. 3Rename if neededThe new .zip file appears with an editable name; rename it, then press Enter.

macOS

1. 1Select the items in FinderClick, or Cmd-click for multiple files or folders.
2. 2Right-click and choose CompressFinder labels it Compress N Items or Compress "name".
3. 3Locate the resultA file named Archive.zip (or matching the single item's name) appears in the same folder.

Command line

Third-party tools

Dedicated archive programs such as WinRAR or 7-Zip can also create ZIP files, and add options the built-in tools lack: choosing compression level, splitting into volumes, or adding a password. If you're deciding which tool to use for this, WinRAR vs. 7-Zip compares the two directly, and best archive software rounds up more options.

Naming and organization

• Avoid spaces and special characters in the ZIP's name if it will be shared across platforms or uploaded to a system that parses filenames.
• Keep a clear top-level folder inside the ZIP so extraction doesn't scatter files into whatever folder the recipient extracts into.
• Very large collections can be split into multiple ZIP volumes using third-party tools, similar to how multi-part RAR files work, though built-in Explorer and Finder compression do not support splitting.

How to Create a ZIP File on Windows 11

To create a ZIP file on Windows 11, select the files or folder, right-click, and choose Compress to > ZIP file from the context menu. This is a redesigned version of the older 'Send to > Compressed folder' command and produces the same standard .zip format.

Steps

1. 1Select the items to includeClick one file, or Ctrl+click multiple files and folders.
2. 2Right-click the selectionWindows 11's redesigned context menu appears.
3. 3Choose Compress toThis opens a submenu with format options.
4. 4Select ZIP fileWindows creates the archive immediately in the same folder.
5. 5Rename the archiveThe filename is editable right away; give it a descriptive name before it's easy to lose track of.

Naming

Windows names the new ZIP after the first selected item by default. Rename it immediately if that name is unclear, since ZIP files don't carry any other label describing their contents beyond the file list itself.

Adding files after creation

You can add more files to an existing ZIP without recreating it: open the ZIP in File Explorer and drag additional files into the window, or copy files and paste them directly inside the open archive. Windows updates the archive in place. This does not work for RAR files, which require a dedicated tool like WinRAR to modify.

Size expectations

A ZIP made from documents or text typically ends up noticeably smaller than the original folder. A ZIP made mostly from photos, video, or already-compressed files (like other ZIPs or MP4s) will end up close to the original size, since there's little redundancy left to remove. Windows' built-in compressor uses standard DEFLATE compression, similar to what most ZIP tools use, so results are consistent across programs.

For the reverse operation, see how to extract ZIP files on Windows 11. For a general overview of compressing files across formats, see how to compress files and ZIP file format.

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