TeachmeSupported documents
The app recognises a file by its contents, not only its name. Maximum size: 25 MB per file.
| Type | Accepted | Notes |
|---|---|---|
| Including scanned PDFs. | ||
| Word | .docx | Headings, paragraphs, lists, tables, equations and pictures. |
| PowerPoint | .pptx | Each slide: title, text, tables, charts and pictures. |
| Excel | .xlsx, .xlsm | Each worksheet, with saved values. Macros are never run. |
| Text | .txt, .md, .csv | Plain UTF-8 text. |
| Photos | .jpg, .jpeg, .png | Turned upright; camera and GPS information removed. |
| Other pictures | GIF, WebP, BMP, TIFF | Converted to PNG when added. |
Not supported (save in another format first)
- Old Office files .doc, .ppt, .xls: open in Office and save as .docx, .pptx or .xlsx.
- Password-protected Office files: remove the password first.
- iPhone HEIC/HEIF photos: save as JPEG (or set the iPhone camera to "Most Compatible").
- .odt, .odp, .ods, .rtf, .pages, .key, .numbers: export as .docx, .pptx, .xlsx or PDF.
- .svg, .eps, .ai, .psd, RAW/.dng, .avif, programs, and empty or damaged files.
Results depend on document quality. AI readings of scans and handwriting can be wrong.