ALS file format description

Many people share .als files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .als file can be edited, converted or printed with. On this page, we try to provide assistance for handling .als files.

2 filename extension(s) found in our database.

Naturally, other applications may also use the .als file extension. Even harmful programs can create .als files. Be especially cautious with .als files coming from an unknown source!

Can't open a .als 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 can't open this file:

example.als

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

• Open Control Panel > Control Panel Home > Default Programs > Set Associations.
• Select a file type in the list and click Change Program.

The .als file extension is often given incorrectly!

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

aos, ais, zls, wls, las, as, alz, ale, aks, xls, ls, asl, aps, ams, alx

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

.aos

Nokia Phone Add-on Software

.ais

ACDSee Album

.las

Lidar Data Exchange Format File

.aps

VS Binary Resource Script Data

.alx

Alpha Five Script Data

.xls

Microsoft Excel Worksheet

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