>> ALTH file

ALTH file format description

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

1 filename extension(s) found in our database.

.alth - QuickHelp for Mac Data

The ALTH data files are related to QuickHelp for Mac. ALTH file is a QuickHelp for Mac Data. QuickHelp is a development tool for creating and deploying application help files to Mac OS X and Windows.

QuickHelp for Mac
Data files
- / -
QuickHelp for Mac Data related extensions:
Ad-Aware 2007 Data
StormWIZARD Resource Data
StruMM3D Structure Data
QuickView Help Data
MOLPHY Neighbor Joining Phylogeny Data

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

Can't open a .alth 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:


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.

The .alth file extension is often given incorrectly!

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

alt, ath, lth

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Microsoft Dynamics AX Application Label Temporary File
Athena Task File
Alphacam Lathe Thread
Roxio Label Creator Style Data

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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If you have useful information about the .alth file format, then write to us!

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