A daily updated filename extension database!

ALF file extension

The table below provides useful information about the .alf file extension. It answers questions such as:

  • What is the .alf file?
  • What program do I need to open a .alf file?
  • How can the .alf file be opened, edited or printed?
  • How can I convert .alf files to another format?
  • Where can I find the specifications for .alf?
  • Which MIME-type is associated with the .alf extension?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

Act! Database Log

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.
ALF format description not yet available
Category: Data files
Application: ACT!
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
ALF aliases:
ALF related links:
ALF related extensions:
Act! Blob Data

Act! Database File

Act! Report Data

Act! Word Processor Document

Act! Template

Act! Notes Database

Act! Email Message

Act! Design Layout File

Act! Data File

Act! Database Index

Other types of files may also use the .alf file extension.

The .alf file extension is often given incorrectly!

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

wlf, af, lf, apf, amf, alt, alg, ald, alb, xlf, aif, qlf, laf, aof, alv

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Serif 3DPlus Model
Adobe Photoshop Levels Settings
XLIFF Document
Avid Log Exchange File
Microsoft Dynamics AX Application Label Cache
Autodesk Showcase Packet File
Audio Interchange File
Advanced Module Format Music
BFLI Image
ER Mapper Algorithm Data

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 a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .alf file association, check the FAQ.

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .alf file extension, write to us!

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