Files with TGR extension might be found as older Tiger Line files. Some sort of GIS format.

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TGR file extension - Tiger Line file

What is tgr file? How to open tgr files?

File type specification:

GIS, GPS navigation and map file type icon GIS, GPS navigation and map file type

The TGR file extension is mainly related to Tiger Line products from U.S. Census Bureau. TIGER is short for Topologically Integrated Geographic Encoding and Referencing. Seems like older format replaced by newer standards.

Help how to open TGR files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension TGR:

As far as we know, this .tgr file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

Related links:

Tiger products website

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