Files with atc extension are used by the AttacheCase program. They are used as encrypted files created by the program.

There are 5 other file types using
the ATC file extension!

empty icon.atc - ACUCOBOL-GT Thin Client command file format

atc icon.atc - AutoCAD catalog

atc icon.atc - AceText collection data

empty icon.atc - Sniffer captured data

empty icon.atc - SimCity 4 animation texture collection

ATC file extension - AttacheCase encrypted file

What is atc file? How to open atc files?

File type specification:

Encoded and encrypted file type icon Encoded and encrypted file type

The atc file extension is associated with the AttacheCase, a Japanese program for encrypting and decrypting files.

The .atc files are used for the encrypted files created with the application.

The default software associated to open atc file:

AttacheCase  Microsoft Windows software

Company or developer:

AttacheCase seems to be a Japanese file encryption tool for Windows.

Help how to open:

Use AttacheCase to open .atc encrypted files.

How to convert:

It is not possible to convert the atc extension files.

List of software applications associated to the .atc file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open atc file, edit atc file, convert atc file, view atc file, play atc file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting atc files.

Software that open atc file - AttacheCase encrypted file

Programs supporting the exension atc on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about AttacheCase for open atc file action.

Microsoft Windows:

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