ArcGIS Explorer from Esri. If you're looking for a Mac based free shapefile viewer, TNTatlas offers both a Mac and a Windows build of its data viewer. In addition to shapefiles, TNTatlas can also viewer GeoTIFF, JP2, PNG, MrSID, DXF, and DWG file formats. Check out the Free GIS Data Viewers page for more options. When you create a.zip file that contains the.shp,.shx,.dbf, and.prj files that comprise the shapefile, store your shapefile directly in the root (the central directory) of the.zip archive, not in directories within the archive. If your.zip file viewer shows path information, the path should be blank.
A shapefile is a simple, nontopological format for storing the geometric location and attribute information of geographic features. Geographic features in a shapefile can be represented by points, lines, or polygons (areas). The workspace containing shapefiles may also contain dBASE tables, which can store additional attributes that can be joined to a shapefile's features.
Below is an example of how shapefiles appear in ArcCatalog. You can also see the dBASE file (that may be associated with a shapefile).
All files that have the file extensions .txt, .asc, .csv, or .tab appear in ArcCatalog as text files by default. However, on the Options dialog box, you can choose which of these file types should be represented as text files and which should not be shown in the Catalog tree. When text files contain comma- and tab-delimited values, you can see their contents in the ArcCatalog table view and join them to geographic features. Text files can be deleted, but their contents are read-only in ArcCatalog.
You can join attributes stored in a dBASE table or text file to the features in a shapefile in a layer's Properties dialog box on the Joins & Relates tab. If a table contains information describing spatial locations, such as x,y,z coordinates or street addresses, you can create a shapefile representing those locations with tools available in ArcCatalog.
Legacy:
In addition to shapefiles and tables, ArcView GIS users work with project files, legend files, and Avenue scripts. While you can't work directly with these items in ArcGIS for Desktop, you can manage them using ArcCatalog. To see these items in ArcCatalog, you must add their file extensions to the file types list. For example, to see ArcView GIS projects, add the file extension .apr to the list.
Editing with shapefiles
You can edit shapefiles in ArcGIS for Desktop with any license level (ArcGIS for Desktop Basic, ArcGIS for Desktop Standard, or ArcGIS for Desktop Advanced). However, to take advantage of advanced editing functionality, such as topology, you will need to import the shapefile into a geodatabase as a feature class.
Importing shapefiles and dBASE tables to geodatabase feature classes and tables
All feature types in shapefiles convert to geometry types in the geodatabase. Unlike coverages, shapefile feature types are similar to the geometry types stored in a geodatabase, so conversion is more straightforward. For more information, see How data converts when importing.
![Viewer Viewer](http://www.shapetodxf.com/Images/Free-GIS-Shape-File-Viewer.gif)
Shapefile file size limitations
Each of the component files of a shapefile is limited to 2 GB each. Therefore, .dbf files cannot exceed 2 GB and .shp files cannot exceed 2 GB (these are the only files that are likely to be huge). The total size for all the component files can exceed 2 GB.
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