EPLAN project

Standard EPLAN project that you can open and edit. If you work in the multi-user mode, such an opened project can be edited by several users simultaneously.

*.elk

Exclusively opened EPLAN project

EPLAN project which was opened exclusively. Only you can edit the project. If you work in the multi-user mode, other users cannot access such an opened project.

*.elk

Read-only EPLAN project

EPLAN project which was opened read-only. You can view, but not edit the project. If you are working in multi-user operation, other users can edit this project.

*.elk

Zipped EPLAN project

Zipped project. The project cannot be opened. The icon is only shown in Project management.

Is generated via: Project > Zip. The *.elk project becomes a *.elp project.

*.elp

Filed-off EPLAN project

For external editing of a filed-off project. You can open the project in EPLAN in read-only mode but cannot change or delete it.

Is generated via: Project > Back up > Project > Method "File off for external editing". The *.elk project becomes a *.els project in the same directory. A *.zw1 backup file is also created in the selected backup directory.

*.els

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EPLAN data backup: Project

1) Backup file of a filed-off EPLAN project

or

2) Backup file of an archived EPLAN project

or

3) Backup file from another saved project. Is generated via: Project > Back up > Project > Method "Save additionally". The *.elk project remains in the same directory. A *.zw1 backup file is also created in the selected backup directory.

*.zw1

Filed-off, zipped EPLAN project

Filed-off and zipped project. This type of project has to first be zipped before it can be opened in read-only mode. The icon is only shown in Project management.

Is generated via: Project > Back up > Project > Method "File off for external editing". The filed-off project is zipped in project management via Popup menu > Zip. The *.elk project becomes a *.els project. The *.els project becomes a *.elx project.

*.elx

Archived EPLAN project

The project cannot be opened. The icon is only shown in Project management.
Is generated via: Project > Back up > Project > Method "Archive". The *.elk project becomes a *.ela project in the same directory. A *.zw1 backup file is also created in the selected backup directory.

*.ela

Completed EPLAN project

Completed project. You can open the project in EPLAN in read-only mode but cannot change or delete it.

Is generated via: Utilities > Revision control > Complete project. The *.elk project becomes a *.elr project.

*.elr

EPLAN reference project

Reference project. You can open the project in EPLAN in read-only mode but cannot change or delete it.

Is generated via: Utilities > Revision control > Property comparison of projects > Generate reference project. The *.elk project remains. A copy of the project is also created as a completed *.elr project.

REV*.elr

EPLAN revision project

Project with change tracking. You can open and edit the project.

Is generated via: Utilities > Revision control > Change tracking > Generate revision. The *.elk project becomes a *.ell project.

*.ell