---
title: ".mrpack (Modrinth Modpack Archive) — Prism Launcher & Modded Minecraft Glossary"
description: "Open modpack package format containing a `modrinth.index.json` manifest and `overrides/` config folder. Learn how .mrpack (Modrinth Modpack Archive) works in Prism Launcher on Windows."
canonical: https://prismlauncher.ink/words/mrpack-modrinth-format
updated: 2026-10-17
---

# .mrpack (Modrinth Modpack Archive)

Open modpack package format containing a `modrinth.index.json` manifest and `overrides/` config folder.

## Facts (2026-10-17)

- **Term:** .mrpack (Modrinth Modpack Archive)
- **In Short:** Open modpack package format containing a `modrinth.index.json` manifest and `overrides/` config folder.
- **Applies To:** Prism Launcher on Windows 10 & 11

## Definition: .mrpack (Modrinth Modpack Archive)

Open modpack package format containing a `modrinth.index.json` manifest and `overrides/` config folder.

When you drop a `.mrpack` file onto Prism Launcher, it reads the JSON manifest, verifies SHA-512 hashes, and downloads every required mod and config automatically.

## How Prism Launcher handles this on Windows

Every instance in Prism Launcher exposes its version stack, mod list, resource packs, shader packs, and JVM settings in one clean Edit Instance window.

Grab the latest Windows installer or portable ZIP from [/download](https://prismlauncher.ink/download) to manage all your Minecraft versions in one place.

## FAQ

### What does .mrpack (Modrinth Modpack Archive) mean in Prism Launcher?

Open modpack package format containing a `modrinth.index.json` manifest and `overrides/` config folder. When you drop a `.mrpack` file onto Prism Launcher, it reads the JSON manifest, verifies SHA-512 hashes, and downloads every required mod and config automatically.

### Where can I configure this inside the launcher?

Right-click any instance on the Prism Launcher dashboard and select **Edit** (or open global **Settings** on the top toolbar).

## Related

- [Prism Launcher Technical Glossary](https://prismlauncher.ink/words)
- [Prism Launcher Instance Management](https://prismlauncher.ink/instances)
- [Prism Launcher Java & JVM Configuration](https://prismlauncher.ink/java)
- [Prism Launcher Mod Loaders](https://prismlauncher.ink/loaders)
- [Instance (Isolated Minecraft Environment)](https://prismlauncher.ink/words/minecraft-instance)

## Download

Free and open source: [Download Prism Launcher](https://prismlauncher.ink/download)

Markdown mirror: https://prismlauncher.ink/words/mrpack-modrinth-format.md