Adobe PageMaker 3 for Mac file
File type: Various data file
The .ald3 file extension identifies a publication created with Adobe PageMaker 3 for Mac.
The file belongs to Adobe PageMaker's desktop-publishing workflow and contains a page layout rather than a general-purpose text or image document.
File type category:
Various data file
Date updated: September 27, 2026
Adobe PageMaker 3 for Mac was desktop-publishing software for classic Macintosh computers. An ALD3 file is a native PageMaker publication file used to store the arrangement of pages and their publishing content.
The publication can contain text, graphics, and page-layout information such as positioned objects and formatting. Its appearance may also depend on the fonts and linked resources available to PageMaker when the file is opened.
The format is a legacy Macintosh format and is no longer in normal use. Adobe PageMaker has been discontinued, and the original PageMaker 3 software generally does not run natively on current Apple macOS systems.
Open the file with a compatible copy of Adobe PageMaker for Mac, preferably in a classic Macintosh environment that can run PageMaker 3. Current macOS systems may require a suitable legacy Mac environment because they do not normally run this software directly.
If the publication uses linked graphics or particular fonts, those resources must also be available for the layout to display correctly.
To preserve the publication in a more widely usable form, open the file in a compatible PageMaker environment and use PageMaker's available print or output workflow to create a PostScript or PDF copy.
Conversion may change the layout if the original fonts, graphics, or other linked resources are missing.
Software applications that handle other tasks involving ald3 files:
Apple macOS / Mac OS X
Language
