Targa images exist in both compressed and uncompressed formats. The default file extension for Targa files is .TGA . PCX files are compressed using a method that offers a modest degree of compression compared to other compression formats. The default file extension for PC Paintbrush files is . The TIFF format was developed by Microsoft and Aldus Corporations as a portable method of storing bitmap images.
TIFF files exist in both compressed and uncompressed formats.
The compression format offers a high degree of compression. However, certain older paint programs that use an early version of the TIFF format may have difficulty reading compressed TIFF files. If you find that a program will not read the compressed files, try saving the file in the uncompressed format. The default file extension for TIFF files is .TIF . The CTF format was developed by MGI as a means to store thumbnails for cataloging images and multimedia files.