diff --git a/docs/ENGINES.md b/docs/ENGINES.md
index 3b233a9f3..94e820750 100644
--- a/docs/ENGINES.md
+++ b/docs/ENGINES.md
@@ -12,7 +12,7 @@ Filee chooses engines automatically. Settings → *Engines* shows their status,
 | PDFsharp | built in (library) | images → PDF, merge, split, page ranges, page organising, lossless rotate and crop-box edits, spreadsheet print-studio assembly, **compression** (smaller PDFs, see below), PDFs without their metadata |
 | PDFium | built in (library) | PDF → images (multi-page TIFF/GIF supported) |
 | Unhwp | built in (library) | HWP/HWPX → TXT, Markdown, HTML (pictures in a `<name>_files` folder next to the Markdown, embedded in the HTML) |
-| Text & Markdown (Markdig) | built in (library) | **Markdown → HTML, TXT**; **TXT, LOG, PY, PAC, BAT, COMMAND, LUA, CSS, PS1 → UTF-8 TXT**, preserving source text without running scripts (and → PDF / DOCX through the HWPX writer, rhwp or LibreOffice) |
+| Text & Markdown (Markdig) | built in (library) | **Markdown → HTML, TXT**; **TXT, LOG, PY, PAC, BAT, COMMAND, LUA, CSS, PS1, SQL → UTF-8 TXT**, preserving source text without running scripts (and → PDF / DOCX through the HWPX writer, rhwp or LibreOffice) |
 | Spreadsheets (ExcelDataReader for XLS) | built in (library) | **XLSX, XLS, ODS, CSV, TSV → XLSX, ODS, CSV, TSV** (one CSV / TSV per sheet) |
 | Office Open XML | built in | **DOCM / DOTX / DOTM ↔ DOCX, XLSM / XLTX ↔ XLSX, PPTM / POTX / POTM / PPSX ↔ PPTX** (macros removed for macro-free types) |
 | Fonts | built in | **TTF, OTF, WOFF, WOFF2, EOT ↔ each other**; CFF (PostScript) outlines become TrueType for TTF and EOT |
diff --git a/src/Filee.Core/Formats/FormatRegistry.cs b/src/Filee.Core/Formats/FormatRegistry.cs
index 41ea7c2db..e84bb2813 100644
--- a/src/Filee.Core/Formats/FormatRegistry.cs
+++ b/src/Filee.Core/Formats/FormatRegistry.cs
@@ -141,8 +141,8 @@ public static class FormatRegistry
 
         // Plain text / markup
         // Text logs, source/proxy scripts and style sheets are read as plain text, never executed (issues #273, #284, #254,
-        // #388, #368).
-        new("txt", "TXT", FormatCategory.Text, ["txt", "log", "py", "pac", "bat", "command", "lua", "css", "ps1"]),
+        // #388, #368, #607).
+        new("txt", "TXT", FormatCategory.Text, ["txt", "log", "py", "pac", "bat", "command", "lua", "css", "ps1", "sql"]),
         new("md", "Markdown", FormatCategory.Text, ["md", "markdown"]),
         new("html", "HTML", FormatCategory.Text, ["html", "htm", "xhtml"]),
         // A web page saved with its pictures in one MIME file (Chrome, Edge, Word); read as the page it holds.