LIT vs ODT
A detailed comparison of Microsoft LIT and OpenDocument Text — file size, quality, compatibility, and which format to choose for your workflow.
Microsoft LIT
eBooksLIT is a legacy Microsoft Reader eBook format, now obsolete.
About LIT filesOpenDocument Text
Documents & TextODT is the open-standard document format used by LibreOffice Writer and other open-source word processors. It offers full document editing capabilities without vendor lock-in.
About ODT filesStrengths Comparison
LIT Strengths
- Good rendering quality via ClearType in its era.
- Efficient compression via LZX.
- Small file sizes for text-heavy books.
ODT Strengths
- Truly open standard — ISO/IEC 26300, vendor-neutral.
- Native format of LibreOffice and OpenOffice, two of the largest FOSS projects.
- Human-readable XML, easy to script and parse.
- Preferred by many governments for archival and public records.
- ZIP compression keeps files compact.
Limitations
LIT Limitations
- DRM activation servers are permanently offline — DRM-protected purchases are dead weight.
- Proprietary format with no vendor successor.
- Zero modern reader support (Windows, macOS, iOS, Android).
- Microsoft officially retired the product in 2012.
ODT Limitations
- Microsoft Word support exists but subtly breaks formatting when round-tripping.
- Less common outside the FOSS ecosystem — most business workflows default to DOCX.
- Fewer third-party tools than for DOCX.
- Complex spreadsheet-like embedded content may not round-trip perfectly.
Technical Specifications
| Specification | LIT | ODT |
|---|---|---|
| MIME type | application/x-ms-reader | application/vnd.oasis.opendocument.text |
| Extension | .lit | — |
| Container | CHM-like (LZX-compressed OEBPS) | ZIP (OpenDocument Format) |
| DRM | Microsoft Reader activation (servers offline since 2012) | — |
| Status | Retired | — |
| Standard | — | ISO/IEC 26300 (OASIS ODF 1.0 / 1.3) |
| Native to | — | LibreOffice, OpenOffice, Collabora |
Typical File Sizes
LIT
- Novel (text only) 200 KB - 1 MB
- Illustrated book 2-10 MB
ODT
- Short letter 10-30 KB
- Academic paper (20 pages) 50-200 KB
- Illustrated report 1-10 MB
Ready to convert?
Convert between LIT and ODT online, free, and without installing anything. Encrypted upload, automatic deletion after 2 hours.
Frequently Asked Questions
LIT (Microsoft LIT) is an ebook format designed for reading long-form text on dedicated e-readers, tablets, and ebook apps. It is part of the ebooks family and typically supports reflowable text, embedded images, chapter navigation, cover art, and metadata (title, author, ISBN) in a portable package.
ODT (OpenDocument Text) is a document format used to store paginated text, with optional formatting, tables, images, hyperlinks, headers and footers. It sits in the documents & text family and is typically associated with a specific office suite or publishing pipeline that defined the format and ships the canonical reader.
Dedicated e-readers — Kindle, Kobo, Nook, Pocketbook — support the most common ebook formats. On phones, Apple Books, Google Play Books, Moon+ Reader and KOReader all handle LIT. For desktop reading, Calibre is the universal ebook viewer and library manager. Convert to EPUB or PDF for maximum compatibility.
Modern office suites — Microsoft Word, Google Docs, LibreOffice Writer, Apple Pages — open most ODT files with reasonable fidelity. If your installed software does not support ODT, convert to DOCX or PDF first using KaijuConverter; both open in virtually every reader, including free online viewers.
Upload your LIT to KaijuConverter and pick EPUB, MOBI, PDF, AZW3, or similar targets. Our Calibre-powered pipeline preserves chapter structure, embedded images, cover art, and metadata. Conversion takes seconds for typical novels; long technical books with many images may take a little longer.
EPUB is the open ebook standard — it plays on every e-reader except older Kindles and in every major ebook app. PDF is better for fixed-layout content (textbooks, coffee-table books) and printing. Pick EPUB when the ebook is reflowable text, PDF when the layout matters more than the reading experience.