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Details of extension .alt3

On this page, we're going to take a closer look at the .alt3 file extension, which is related to Adobe PageMaker for Mac Template. We'll explain what exactly a .alt3 fileformat is and how you can use it. If you're interested in learning more details about this type of file, we'll show you where to find them. And if you ever need to convert .alt3 files into different formats, we'll give you some tips on how to do that too. Let's see the file format associated with this file extension!

Contents

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alt3 file - Adobe PageMaker for Mac Template

Adobe PageMaker for Mac Template

The ALT3 file is an Adobe PageMaker for Mac Template. Adobe PageMaker is a decent desktop publishing software program if you want to create a simple desktop publishing publication like a newsletter or a catalog.
Category: Data files
Application: Adobe PageMaker
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Aliases:
alt4, alt5
Related extensions:
.pt6 Adobe PageMaker 6.0 Template
.usp Adobe PageMaker Printer Font
.pm4 Adobe Pagemaker 4.0 Document
.trn Adobe Pagemaker TRN Data
Links:
-

The .alt3 file extension might not only belong to a single type of file, there could be various kinds that use it. Keep in mind that files with the .alt3 extension may contain various content types. If you have helpful information about this extension, write to us!

Could someone have spelled the .alt3 file extension wrong?

In our database, we came across the following similar extensions:

.al3 Acord AL3 Data
.lt3 Livetext Text Document
.alt Microsoft Dynamics AX Application Label Temporary File
.at3 Sony ATRAC3 Compressed Audio

The .alt3 extension is frequently misused

People sometimes confuse the .alt3 filename extension. Based on the searches on our site, here are the most common misspellings from the past year.

al3 (1), lt3 (1), alt (1), at3 (1)

Having trouble opening a .alt3 file?

If you want to open a .alt3 file on your computer, you just need to have the appropriate program installed. Incorrect settings for the .alt3 association can trigger this error.

Windows can't open this file:

File: example.alt3

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android

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