There are 7 other file types using
the SLT file extension!

empty icon.slt - Telix Salt Script Application Language script source

empty icon.slt - ZX Spectrum emulator Super Level Loader snapshot file

empty icon.slt - Shark LT drawing

empty icon.slt - FinSafe Terminal Smartlet data

empty icon.slt - K-Meleon browser settings

empty icon.slt - Senlab template

empty icon.slt - Gallery Lock hidden media thumbnail

SLT file extension - Mozilla Firefox/Thunderbird user profile folder

What is slt file? How to open slt files?

The slt file extension is related to various products by Mozilla Foundation, such as the Firefox web browser and Thunderbird e-mail client.

The slt file contains saved user profile settings.

Updated: April 17, 2024

The default software associated to open slt file:

Firefox icon

Mozilla Corporation logoFirefox  Microsoft Windows software

Company or developer:
Mozilla Corporation

Firefox is very popular free open source web browser with many features.
Firefox supports tabbed browsing, private browsing, spell checking, incremental find, bookmarking etc. Other features can be added via extensions and add-ons, such as NoScript, Tab Mix Plus. FoxyTunes, Web Developer.

Mozilla Thunderbird icon

Mozilla Corporation logoMozilla Thunderbird  Microsoft Windows software

Company or developer:
Mozilla Corporation

Mozilla Thunderbird is easy to use e-mail client with spam protection and e-mail managing features.

Help how to open:

The slt files are used for internal purposes of Mozilla apps.

How to convert:

Conversion to other formats is not possible.

List of recommended software applications associated to the .slt 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 slt file, edit slt file, convert slt file, view slt file, play slt file etc. (if exist software for corresponding action in's database).

Settings file type for software that use slt file - Mozilla Firefox/Thunderbird user profile folder

Programs supporting the exension slt on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for settings slt file action.

Microsoft Windows:

Main software associated with slt file by default:
Firefox small icon Firefox
Mozilla Thunderbird small icon Mozilla Thunderbird

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