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Details of the .iak file extension

The table below provides useful information about the .iak file extension. It answers questions such as:

  • What is the .iak file?
  • What program do I need to open a .iak file?
  • How can the .iak file be opened, edited or printed?
  • Where can I find the specifications for .iak?
  • Which MIME-type is associated with the .iak extension?
  • How can I convert .iak files to another format?
  • What are other, similar filename extensions to .iak?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

.iak file extension details

Mail.dat Information Access Key

Mail.dat Information Access Key .iak file icon
IAK file is a Mail.dat Information Access Key. Mail.dat is the standard embraced by a significant portion of the mail production industry and the US Postal Service. Mail.dat is a relational database of nineteen "connected" files describing each characteristic that can exist within a mailing.
Category: Data files
Application: PostalOne!
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
IAK aliases:
IAK related links:
IAK related extensions:
Mail.dat Container Quantity Data

Mail.dat Mail Piece Unit File

Mail.dat Postage Account File

Mail.dat Component File

Mail.dat Container Summary File

Mail.dat International Container Label File

Mail.dat Package Quantity File

Mail.dat Walk Sequence File

Mail.dat Package Label File

Mail.dat Piece Detail File

Other types of files may also use the .iak file extension.

.iak file extension error

The .iak file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

ia, iam, ak, ik, jak

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Rollei RAW Image
Autodesk Inventor Assembly Model
TracerCAD File
CryENGINE IK Animation
AHEAD Tool Suite JAK File
open .iak file

Can't open a .iak file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .iak file association, check the FAQ.

.iak file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .iak file extension, write to us!

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