ALF file format description

Many people often share .alf files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .alf files. To address this issue, we have created this page to offer assistance and guidance on handling .alf files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .alf files.

Our aim is to simplify the process and promote seamless use of the .alf file format.

6 filename extension(s) found in our database.

.alf - Act! Database Log

The ALF data files are related to ACT!. The ALF file is an Act! Database Log File. ACT! by Sage is a customer relationship management (CRM) software application which is used to keep track of client and prospect details in a single database that can be shared by multiple users.

Category:Data files
Magic:- / -

Act! Database Log related extensions:

  • ileaf Interleaf Desktop
  • blow5 SLOW5 Binary Data
  • gam General Game Data
  • tcdb CFEngine Database
  • dhy Adobe Bridge Data
  • pws ProWorks Data

.alf - Aipro Land Data

The ALF game data files are related to Aipro. The ALF file is an Aipro Land Data. Aipro is an irline game for Microsoft Windows.

Category:Game Data files
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Aipro Land Data related extensions:

  • psx Sony Playstation Savegame
  • xof Reality Lab 3D Image
  • cpg StarCraft Campaign Data
  • shpa Aleph One Shape Data
  • cbg ChessBase Game Moves Data
  • scn Flying-Model-Simulator Scenery Data

.alf - AbacusLaw Format Data

The ALF data files are related to AbacusLaw. The ALF file is an AbacusLaw Format Data. AbacusLaw is a popular legal practice management solution used by thousands of legal professionals worldwide.

Category:Data files
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AbacusLaw Format Data related extensions:

  • dbf AbacusLaw Database

.alf - SonicWALL Aventail Connect License Data

The ALF data files are related to SonicWALL Aventail Connect. The ALF file is a SonicWALL Aventail Connect License Data. The SonicWALL Aventail Connect is the client component of Aventail's VPN solution.

Application:SonicWALL Aventail Connect
Category:Data files
Magic:- / -

SonicWALL Aventail Connect License Data related extensions:

  • nly CBS CheckWriter NonCalc Layout
  • dee Creator Circuit Description File
  • zak Carlson Survey Coordinate Data
  • rex 4D Database Client Local Data
  • lab Steinberg WaveLab CD/DVD Label Set
  • xptoc XDIME Player Table of Contents Data

.alf - Altium Designer License Data

The ALF data files are related to Altium Designer. The ALF file is an Altium Designer License Data. Altium Designer is a software package which allows electronic circuit designers to design, draw and simulate electronic circuit boards.

Application:Altium Designer
Category:Data files
Magic:- / -

Altium Designer License Data related extensions:

  • tlog Oracle Database Transaction Log
  • cb1 CARE-S InfoWorks Biochemical Oxygen Detail Data
  • nct Now Contact Data
  • uhi Eurotherm 6100a Printer Driver Import Data
  • ci Polyspace Preprocessed Code Data
  • plt PTC Creo Plot Data

.alf - Unity License Request Data

The ALF data files are related to Unity. The ALF file is a Unity License Request Data. Unity is a development engine for the creation of 2D and 3D games and interactive content.

Category:Data files
Magic:- / -

Unity License Request Data related extensions:

  • anim Unity 3D Animation Data
  • asset Unity Asset
  • bytes Unity Binary Text Asset Data
  • cginc Unity Custom Shader Include
  • ilr Unity License Request File
  • js1 Unity Javascript

Be careful.

It is important to understand that the .alf file extension is not limited to a particular set of applications. Other programs besides the intended ones can also use the .alf extension to create files. This includes potentially harmful programs or malware that may generate .alf files for various purposes. Be especially cautious with .alf files coming from untrusted or unknown sources.

Can't open a .alf 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 an extension, you receive the following message:

Select an app to open this .alf file

To set the .alf file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. Under the Default apps section, you will find various categories such as Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate, such as Photos for image files or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the desired app is not listed, click on More apps to see additional options or click on Look for an app in the Microsoft Store to search for apps in the Store.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set .alf file association. Many applications can open .alf files without requiring any specific file association to be set.

The .alf file extension is often given incorrectly

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. Our goal in providing this list is to help users find the right information more easily and enhance their overall search experience on our website.

These misspellings were the most common in the past year:

af, afl, aif, akf, al, alb, alc, ald, ale, alg, alr, alt, alv, amf, aof

Is it possible that the filename extension is misspelled?

There is a possibility that the .alf filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .alf:

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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