Reference

File formats

The files you can bring into a library, and the formats a document exports to.

Files you can bring in

Extensions Largest file
.md, .markdown, .mdown 10 MB
.txt, .text 10 MB
.bash, .c, .cc, .cfg, .clj, .conf, .cpp, .cs, .css, .dart, .diff, .erl, .ex, .exs, .go, .gradle, .graphql, .groovy, .h, .hcl, .hpp, .ini, .java, .js, .json, .jsonc, .jsx, .kt, .kts, .less, .lua, .mjs, .patch, .php, .pl, .proto, .ps1, .py, .r, .rb, .rs, .sass, .scala, .scss, .sh, .sql, .svelte, .swift, .tf, .tfvars, .toml, .ts, .tsx, .vue, .xml, .yaml, .yml, .zsh 10 MB

Recognised, not converted

Extensions What the product says
.docx Word conversion isn't built yet. Save it as .md and drop it again.
.html, .htm HTML conversion isn't built yet. Save it as .md and drop it again.
.pdf PDF text extraction isn't built yet. Save it as .md and drop it again.
.rtf RTF and legacy Word conversion isn't built yet. Save it as .docx or .md and drop it again.
.doc RTF and legacy Word conversion isn't built yet. Save it as .docx or .md and drop it again.
.odt RTF and legacy Word conversion isn't built yet. Save it as .docx or .md and drop it again.
.gdoc A .gdoc file is a pointer to a Google Doc, not a document. Google Drive import is not built yet.

.rtfd, .pages, .key, .xlsx are not read.

Formats you can export to

Format File
Copy no file
Google Docs no file
PDF no file
DOCX .docx
Markdown .md
HTML .html

PDF goes through the browser's print dialog.