| EPLAN Project Backup | |
| EPLAN Software & Service GmbH & Co. KG | |
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ZW1 is a file extensions associated with files created by various EPLAN software applications. EPLAN is a family if CAD software tools for creating electrical engineering designs.
ZW1 store backup copies of projects created with EPLAN applications. ZW1 files store complete project data, including libraries, technical drawing standards document, templates, projects settings, etc. ZW1 files are generated using dedicated built-in tools.
Windows
| .!@! | Windows Backup Of WIN.INI |
| .### | DoubleSpace Compressed Volume |
| .$id | Steinberg Cubase Compressed |
| .$ll | Steinberg Cubase Compressed |
| .--- | Microsoft Backup File Set |
| .003 | Compressed File From A Multi-volume Archive (part 3) |
| .004 | Compressed File From A Multi-volume Archive (part 4) |
| .005 | Compressed File From A Multi-volume Archive (part 5) |