PhotoImpact pencil style data
File type: Settings, options, themes or skins file
A .gap file contains pencil style data used by PhotoImpact.
It is a settings file for the pencil tool, not a photograph or other finished image.
Found 2 different file type records with the same gap filename suffix.
File type category:
Settings, options, themes or skins file
Date updated: October 20, 2026
The gap file extension is associated with PhotoImpact, image-editing software developed by Ulead and now owned by Corel. The linked software for this format is PhotoImpact X3, which runs on Microsoft Windows.
The gap file stores pencil style data used by PhotoImpact. It belongs to the software's style and settings resources rather than being a general-purpose image format. PhotoImpact is a legacy Windows application, so support for this format is generally limited to compatible PhotoImpact installations.
On Microsoft Windows, use PhotoImpact X3 to load or use the file with the application's pencil tools. A gap file is normally used as a style resource rather than opened as a standalone document.
There is no useful standalone conversion for PhotoImpact pencil style data. The gap file contains tool settings, not an image or document that can be converted to another format.
To preserve the visible result, apply the style in PhotoImpact and export the resulting image in an image format supported by that application. This does not convert the original gap file.
Software apps that manage or store settings in gap files:
Microsoft Windows
File type category:
Miscellaneous file
Date updated: November 1, 2017
The gap file extension is associated with GAP (Generation Analysis and Planning), a software dedicated to analysis and planning of hydro-thermal power generation systems, developed by n.v. Systems Europe s.a..
mime: application/octet-stream
Use GAP software to open files with gap extension.
It is not possible to convert the gap extension files.
Software applications that can open gap files:
Microsoft Windows
GAP
Software applications that can edit gap files:
Microsoft Windows
GAP
Software capable of saving gap files:
Microsoft Windows
GAP
Software applications that handle other tasks involving gap files:
Microsoft Windows
GAP
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