Open AC1 file

AC1 files: what are they and how do I open them?

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.ac1 file type #1: SPICE AC/frequence domain output file

Files ac1 extension are used by SPICE. They contain domain output data.

Further details:

The ac1 file extension is associated with SPICE (Simulation Program with Integrated Circuit Emphasis) program, developed by National Instruments Corporation. The ac1 extension files are used for AC/frequence domain output.

Open file with:

Spice

A computer simulation and modeling software

.ac1 file type #2: Weaver Spider reminder data

An ac1 file extension is related to the Unforgettable softwarer. An ac1 file contains reminder data.

Further details:

The ac1 file extension is associated with applications, such as Unforgettable developed by Giuseppe Buttafuoco.

Most likely some old format without support from developer. No further information could be found.

Open file with:

Unforgettable

A personal task reminding software

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.ac1" has the file extension "ac1". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

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