>> ALT file

ALT file format description

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

4 filename extension(s) found in our database.

.alt - Microsoft Dynamics AX Application Label Temporary File

The ALT other files are related to Microsoft Dynamics AX. The ALT file is a Microsoft Dynamics AX Application Label Temporary File. Microsoft Dynamics AX is one of Microsoft's enterprise resource planning software products. It is part of the Microsoft Dynamics family.

Microsoft Dynamics AX
Other files
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Microsoft Dynamics AX Application Label Temporary File related extensions:
Microsoft Word 5 for Mac Plug-in
Microsoft Rights Management Protected Data
Microsoft Bookshelf Find Menu Shell Extension
Microsoft Exchange Public Folder Shortcut
Microsoft Visual Studio Macro
Microsoft Windows Netsh Script

.alt - Corel WordPerfect Menu Library

The ALT data files are related to Corel WordPerfect. The ALT file is a Corel WordPerfect Menu Library. Corel WordPerfect is a word processing application.

Corel WordPerfect
Data files
- / -
Corel WordPerfect Menu Library related extensions:
EasyWOOD Design Data
Paradox Secondary Index
TI-82 Calculator Window Setup
Noptel NOS Statistics Data
Vector XML Test Module
KeywordConvert List

.alt - Steam ALT Data

The ALT data files are related to Steam. The ALT file is a Steam ALT Data. Steam is a digital distribution, digital rights management, multiplayer and communications platform developed by Valve Corporation.

Data files
- / -
Steam ALT Data related extensions:
Steam Application Cache Data
Valve Steam Cache Data
Steam Crash Data
Steam Client Game Backup Data
Steam Client Dump Data
Steam Game Cache File

.adf - ReliaSoft ALTA Data

The ADF data files are related to ReliaSoft ALTA. The ADF file is a ReliaSoft ALTA Data. Accelerated Life Testing (ALTA) software is an advanced module application available in ReliaSoft Weibull++ for accelerated test planning and quantitative accelerated life testing data analysis.

ReliaSoft ALTA
Data files
- / -
ReliaSoft ALTA Data related extensions:
Scid Database Index
GameSpy Arcade Data
3DMark Results Data
Snoop Captured Data
Kwalitan History Data

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

Can't open a .alt 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 .alt file extension is often given incorrectly!

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

ait, akt, al, alf, alg, alh, alr, aly, amt, aot, apt, at, atl, lat, lt

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

eWallet Wallet
Act! Database Log
Adobe Illustrator Template
Gerber Aperture Data
ER Mapper Algorithm Data
Nimbus 7 SAMS APRIORI 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

If you find the information on this page useful, please feel free to link to this page.

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