>>> how to unpack .7z ?

## Unpacking a `.7z` file

(works on macOS, Linux, and Windows – just pick the section that matches your system)

---

### 1. macOS

#### a. Using the Terminal (recommended)

| Step | Command | What it does |

|------|---------|--------------|

| 1. Install p7zip | `brew install p7zip` | Installs the 7‑Zip command‑line tools (`7z`) |

| 2. Unpack | `7z x /path/to/archive.7z -o/desired/destination/` | `x` = “extract all”, `-o` = destination

folder |

**Example**

```bash

brew install p7zip # one‑time install

7z x ~/Downloads/mysite.7z -o~/Sites # extracts into ~/Sites

```

- **`-o`** is optional – if you omit it the files go into the current directory.

- If the archive is password‑protected you’ll be prompted for the password automatically.

#### b. Using a GUI app

| App | How to use |

|-----|------------|

| **Keka** | Drag the `.7z` file onto the Keka icon, or use the “Open File” dialog. |

| **The Unarchiver** | Same as above – macOS ships the “Unarchive” context menu after installing. |

| **7‑Zip** (third‑party) | Open the file with the app, then choose “Extract”. |

All three will create a folder with the archive’s contents.

---

### 2. Linux

```bash

sudo apt-get install p7zip-full # Debian/Ubuntu

sudo yum install p7zip # RHEL/CentOS

sudo dnf install p7zip # Fedora

```

Then:

```bash

7z x file.7z

```

Same options (`-o`, `-p`, etc.) apply.

---

### 3. Windows

1. **Download 7‑Zip**: https://www.7-zip.org/

2. Install it.

3. **Right‑click** the `.7z` file → **7‑Zip** → **Extract Here** (or **Extract to “folder\”**).

If you prefer PowerShell:

```powershell

# Assuming 7z.exe is in your PATH

7z x .\file.7z -oC:\dest\

```

---

### Quick Reference: Common `7z` Options

| Option | Meaning | Example |

|--------|---------|---------|

| `x` | Extract all files (preserves paths) | `7z x archive.7z` |

| `e` | Extract without paths | `7z e archive.7z` |

| `-o<folder>` | Destination folder | `-oC:\tmp\` |

| `-p<password>` | Use password | `-p1234` |

| `-i!<pattern>` | Include only files matching pattern | `-i!*.txt` |

| `-i-!<pattern>` | Exclude files matching pattern | `-i-!*.jpg` |

---

## Troubleshooting

| Symptom | Fix |

|---------|-----|

| “File not found” or “7z: command not found” | Make sure `p7zip` (macOS) / `7zip` (Linux) is installed and

in your `PATH`. |

| “Password incorrect” | Verify the password, or try removing `-p` to be prompted interactively. |

| “Archive is corrupted” | The file may be partially downloaded. Re‑download it. |

| “Unsupported compression method” | Some very old or proprietary `.7z` files might use an unsupported

algorithm. Try a newer 7‑Zip version or use the GUI app that can auto‑detect the method. |

---

### TL;DR

```bash

# macOS (Terminal)

brew install p7zip

7z x file.7z -o~/Destination/

```

or drag it into Keka/The Unarchiver for a one‑click GUI experience.