All about ALM Files

The ALM file type is primarily associated with Specialized apps.

ALM	File extension: ALM
	File type:	specialized data file

What is an ALM file?

ALM files mostly belong to Specialized apps.

Files with the ALM extension are not a single uniform type but rather serve several distinct roles based on the creating application. They act as specialized containers that may hold media, data, or configuration details.
For example:

• Alicesoft Movie File: This ALM type is used in game development and automation setups. It can incorporate automation macros (seen as Aegisub Automation Layer Macro) and is linked with software like Alicesoft RPG Maker. More details are available at Alicesoft.
• GPS Satellite Almanac File: Contains satellite almanac data used in navigation. Third‐party tools like GPSTk manage this data. Visit GPSBabel for further information.
• Alarm List File: Stores alarm settings using a UTF-8 text format. This file is generated by applications such as Free Alarm Clock (Free Alarm App).
• Video/Audio File: Some ALM files use the MKV format internally. They can serve as video files or hold audio (such as Audio Lossless Music) for use with entertainment or production software. Details can be found at Game City.
• Email Message File: Sometimes labeled as ALMail, these files handle email message data.
• Windows Media Audio File: Managed by multimedia tools like Audacity, this variant contains audio data. More at Audacity.
• Siemens License File: Uses an XML structure to store licensing details for hardware such as Canon IJ Network Scanner Selector. More information can be seen at Canon IJ Manual.

Usage: To open an ALM file, learn which application created it. Standard file viewers may not work since each type is designed for a specific function.
Functionality: Each file embeds structured data, whether media content, navigation parameters, alarm settings, emails, or licensing info, and requires the corresponding specialized software.

How to open ALM files

You need a suitable software like Specialized apps to open an ALM file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ALM file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ALM file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ALM Text Viewer

Choose your .alm file to analyze

or drag and drop it here

Online File Viewer

✈

Read our privacy guarantee in Filext’s terms and privacy policy

Please allow ads on our site

This helps us keep our servers running. Then re-upload your file to view it.

Click here to see how to disable the ad blocker for filext.com

ALM file format:

Every file has a defined file format, i.e. how the data is arranged in the file. The file format can be determined based on the file extension and the signature (the first few characters of a file). If the file extension does not match the file format, double-clicking on the file will cause an error upon opening. So you need a detailed analysis of a file to find out the format and the associated program. Below is our analysis of the ALM files:

The ALM file extension is rather rarely used and includes very many different file formats. However, the following two file formats are common:

• 9% of all ALM files save the data in MKV file format. MKV is short for Matroska Multimedia Container. It can hold an unlimited number of video, audio, picture, or subtitle tracks in one file. It is a universal format for storing common multimedia content, like movies or TV shows. Matroska is similar to AVI, MP4, or ASF, but is entirely open in specification and consisting of open source software. These are binary files, so they do not contain words or text. The files are often between 6 MB and 9 MB in size. Certain words are almost always found in the files, such as webmB. Examples of file names are haruka01.alm. Such files sometimes refer to narika.
• 7% of all ALM files start with the magic bytes 00 00 01 BA 21 00, which are always the first bytes of this file format. They consist of unreadable binary data. A typical file size is 150 MB. The file name Rance7OP.alm is typical for these files.

All other ALM files (84%) have no consistent format, the following 5 formats exist: UTF-8, Week and ALMail. These files sometimes refer to alarm, evenicleop, embedded, opening, staff, assignments, virtual or incl. If you want to find out which format your ALM file belongs to, just click on the button "Choose your .alm file to analyze".