Where Does Sigil Store Preferences and Plugins?
Sigil keeps preferences, plugins, and dictionaries in %LOCALAPPDATA%\sigil-ebook\sigil on Windows (~/.local/share/sigil-ebook/sigil on Linux), openable from Preferences.
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Sigil gathers everything user specific into one preferences folder: ini settings, installed plugins with their prefs, spellcheck dictionaries, clips, and searches. The in app button opens it directly, which beats memorizing platform paths.
That single folder design makes troubleshooting straightforward. Broken behavior after updates usually traces to stale ini files while plugins stay innocent, so targeted deletion fixes more than full reinstalls. Full folder copies migrate machines completely.
Where Sigil stores this, by platform
%LOCALAPPDATA%\sigil-ebook\sigil
Ini files, plugins, plugins_prefs, and dictionaries together. Open from Preferences button. Zip whole folder for migration backups.
~/.local/share/sigil-ebook/sigil
Same role as Windows prefs home for ini files and plugins. Show hidden files to see .local. SIGIL_PREFS_DIR env var overrides the location.
Frequently asked questions
How do I back up Sigil settings and plugins?
Click Open Preferences Location at the bottom of any Preferences screen to jump there directly. Zip the whole folder for a complete backup covering plugins, dictionaries, and ini files. Restoring means copying it back with Sigil closed.
How do I reset Sigil after a bad update?
Delete the sigil ini files and let Sigil regenerate defaults on next launch, keeping plugins and dictionaries. Version jumps sometimes break old ini files, which the Sigil team documents as the fix. Remove lock files too.
Notice an outdated path? Let us know.