APT file extension. How to open and convert files with APT file suffix

There are 5 other file types using
the APT file extension!

.apt - Alphacam punch tool data

.apt - APT encoded bitmap image

.apt - appTranslator project

.apt - AutoPlay Menu Studio project

.apt - Almost Plain text

APT file extension - Lotus Approach Data view file

What is apt file? How to open apt files?

File type specification:

Various data file type

The apt file extension is associated with Lotus, by IBM.

The default software associated to open apt file:

Lotus 1-2-3

Company or developer:
IBM

IBM Lotus 1-2-3 is spreadsheet application very popular in 80s and 90s of 20th century. It was released for Microsoft Windows, MS-DOS, Mac OS and OS/2. In 2002 IBM stopped the developing of the IBM Lotus 1-2-3. In the latest versions is Lotus 1-2-3 fully compatible with Microsoft Excel.

Help how to open:

Due the variability and uncertainty of this file type group, there is no general information available, about how to open this various data file format. However most files with extension from this group are usually not meant to be opened or viewed directly. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.

For general information try to look at:
Identifying unknown file formats

How to convert:

Due the variability and uncertainty of this file type group, there is no general information available, about how to convert this various data file format. However most files with extension from this group are usually not in formats, which can be converted. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.

List of recommended software applications associated to the .apt file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open apt file, edit apt file, convert apt file, view apt file, play apt file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with apt file - Lotus Approach Data view file

Click on the software link for more information about Lotus 1-2-3. Lotus 1-2-3 uses apt file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

Lotus 1-2-3

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