16

.16Extended Graphics Array (XGA) Bitmap

IBM · 1990

Developer
IBM
Category
Images
MIME Type
image/x-xga-bitmap
First Released
1990
Open Format
Yes
File Signature
Not widely documented or standardized; specific implementations may vary.
At a Glance
.16
Extended Graphics Array (XGA) Bitmap

The .16 file format is an older bitmap image format used by IBM's XGA graphics adapters, primarily for storing graphical images.

Reviewed on May 2, 2026
Compression
Typically uncompressed
Transparency
No
Editability
Low
Best for
Legacy XGA graphics

Key Features

  • Supports higher resolutions and color depths than older standards.
  • Primarily used for storing graphical bitmap images.
  • Relatively simple file structure, often uncompressed.
  • Associated with IBM's XGA graphics hardware.

Best For

  • Preserving graphical assets from the era of XGA graphics adapters.
  • Situations where raw pixel data storage is prioritized over file size.
  • Maintaining compatibility with legacy IBM systems.

Less Ideal For

  • Modern web use due to large file sizes and limited browser support.
  • Sharing images online where compression and broad compatibility are needed.
  • Applications requiring advanced image editing features.
  • Animation or complex graphical data storage.

Common Use Cases

  • Storing graphics for applications running on XGA-compatible hardware.
  • Displaying icons, cursors, or other graphical elements.
  • Archival of images from older IBM computer systems.

How to Open It

  1. Use image editing software that supports older or obscure bitmap formats, such as IrfanView (Windows) or GIMP (cross-platform).
  2. Attempt to open with specialized graphics converters or emulators for vintage computing.
  3. Check if your operating system's built-in photo viewer has support; this is unlikely for this format.

What is a .16 file?

The .16 file extension is associated with IBM's Extended Graphics Array (XGA) bitmap format. This format was designed to store graphical images and was part of IBM's graphics adapter specifications. While it was a proprietary format for its time, it allowed for higher resolutions and color depths compared to previous standards. These files typically contain uncompressed pixel data, making them relatively simple in structure but potentially large in size.

Programs That Open .16 Files

PlatformProgram
WindowsIrfanViewFree
GIMPFree
macOSGIMPFree
LinuxGIMPFree

How to Convert .16 Files

FormatMethod
.PNGIrfanView, GIMP
.BMPIrfanView, GIMP

Common Problems with .16 Files

⚠️ Cannot open .16 files with standard image viewers.
Use specialized software like IrfanView or GIMP, which have broader format support.
⚠️ Large file sizes due to lack of compression.
Convert to a more compressed format like PNG or JPG if file size is a concern, but be aware of potential quality loss.

Frequently Asked Questions

Is .16 related to the .16xx graphics modes?

Yes, the .16 extension is directly tied to IBM's XGA (Extended Graphics Array) standard, which included graphics modes with higher resolutions and color depths than previous VGA standards.

Can I use .16 files on modern computers?

You can open .16 files on modern computers using compatible image viewing or editing software, but they are not a common or recommended format for general use today.

Technical Details

This format stores pixel data, typically in an uncompressed or minimally compressed manner, allowing for higher resolutions and color depths. The file structure is a simple bitmap arrangement, often beginning with a header containing information about the image's dimensions, color depth, and pixel format.

Did You Know?

The .16 format was part of IBM's push for higher graphical fidelity in personal computing during the early 1990s.
It's a relatively obscure format today, often encountered only when dealing with historical graphics data or very old software.

Security Information

Like most image files, .16 files are generally safe. However, always exercise caution when opening files from unknown or untrusted sources, as they could potentially contain malicious code, though this is less common for bitmap image formats.

Related Extensions