Filename Extensions

The name given to a computer file to distinguish it from other files.

• Codec

• File Compression

• Filename Extension

• Filename

The last characters in a file name (after the period) that identifies the type of file and the program used to create the file.

• Filename Extension

• Filename

• H.264

• PDF

The reduction of file size in order to save space, but oftentimes results in a reduction of quality.

• Codec

• File Compression

• H.264

• Zip

The filename extension for a Microsoft Word document.

• XLSX

• PPTX

• DOCX

• PDF

The filename extension for a Microsoft Excel spreadsheet.

• DOCX

• PPTX

• XLSX

• PNG

The filename extension for a Microsoft PowerPoint slide show.

• PNG

• PDF

• DOCX

• PPTX

A file format for pictures that are highly compressed, that only recognize 256 colors, can retain transparency, and are oftentimes animated.

• PNG (Portable Network Graphic)

• BMP (Bitmap)

• JPEG (Joint Photographic Expert Group)

• GIF (Graphics Interchange Format)

A file format for compressed pictures, which are used by most digital cameras and cell phones and can recognize the full range of colors.

• JPEG (Joint Photographic Expert Group)

• GIF (Graphics Interchange Format)

• BMP (Bitmap)

• PNG (Portable Network Graphic)

A file format for a non-compressed picture, which is much larger in size than a JPEG or GIF.

• GIF (Graphics Interchange Format)

• JPEG (Joint Photographic Expert Group)

• BMP (Bitmap)

• PNG (Portable Network Graphic)

A file format for graphics that offer a more powerful alternative to the GIF format as they are not restricted to 256 colors, support better transparency, and have better compression.

• PDF (Portable Document Format)

• PNG (Portable Network Graphic)

• JPEG (Joint Photographic Expert Group)

• BMP (Bitmap)