.OSZ File Extension
File Type 1Osu! Beatmap File
This file is saved in a zipped format. You can view the contents by unzipping it with a file decompression program.
What is an OSZ file?
An OSZ file is a Zip-compressed data file used by osu!, a rhythm game where players click visual cues in sync with music. It contains a beatmap, which includes a song, graphics, and timings and locations of clicks. OSZ files enable players to save and share custom beatmaps.
Users typically play OSZ files with osu!, which is available for Windows. However, you can also play OSZ files in opsu!, which is an open source osu! client available for Windows, macOS, Linux, and Android.
You can open OSZ files by dragging them directly into the osu! game window. In opsu!, you can open an OSZ file by browsing to its location and importing it. You can also download other OSZ files directly in opsu!.
File Type 2OpenLP Service File
This file is saved in a binary format, which requires a specific program to read its contents.
.OSZ File Association 2
File created by OpenLP, a free application used for creating worship service multimedia presentations; can include song lyrics, audio and video data, PowerPoint presentations, and other multimedia data; used with a video projector, which displays the content on a screen.
NOTE: OpenLP is short for "Open Source Lyrics Projection."