Opening a ZAC File

The ZAC file type is primarily associated with SPIRIT.

ZACFile Extension ZAC
File extension: ZAC
File type:  Component File

What is a ZAC file?

ZAC files mostly belong to SPIRIT by STI International, Inc. SPIRIT offers a toolset available to architects, planners and designers across industries. It does this with a hybrid approach; including, an ability to produce documentation that is architectural in nature and not mechanical and use of smart parametric building objects (walls, windows, doors etc.).

How to open ZAC files

You need a suitable software like SPIRIT to open a ZAC file. You need a suitable software like SPIRIT from STI International, Inc. to open a ZAC file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ZAC file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ZAC file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ZAC Text Viewer

Choose your .zac file to analyze

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.ZAC File Not Opening? How to Fix It:

Because .ZAC files originate from various programs, they aren't universally openable.

  1. Identify the Source: A file from an architect suggests a CAD/CAM Component File, while one from a gamer might be an archive.
  2. Check the Header: Inspect the first bytes in a text editor or hex viewer:
    • "PK" indicates a ZIP-based archive.
    • Readable XML suggests a component data file.
    • Unreadable binary means it needs specialized software.
  3. Use the Original Software: The original program is usually required, such as SPIRIT by STI International, Inc. If uncertain, ask the sender.
  4. Use this Webpage: Drag and drop your .ZAC file into our viewer to detect its format, extract readable metadata, and preview contents.

Technical Data for ZAC File Extension

File classification:
CAD/CAM
Related files:
zacs, gzac, zacf, rar, s12, gxc, wdk

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: ZipZag.zac
EXEFile: %ProgramFiles%\ZipZag\zipzag.exe %1

ProgramID: zrdata_ZAURUS
EXEFile: %ProgramFiles%\RuppLynx 6\RUPPLX60.EXE


a zac Component File is a special file format by STI International, Inc. and should only be edited and saved with the appropriate software.

How to solve problems with ZAC files

  • Associate the ZAC file extension with the correct application.
  • Update your software that should actually open component files. Because only the current version supports the latest ZAC file format. Search, therefore, e.g. on the STI International, Inc. manufacturer website after an available SPIRIT update.
  • To make sure that your ZAC file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .ZAC file online - secure, fast, and no downloads needed.
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