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Presentation: PPT, PPTX, ODP · Maks 200 MB
Sending a document to someone stuck on very old Office, or to a system that never learned the newer format.
DOCX arrived with Office 2007 and replaced the old binary DOC. Underneath it is a ZIP archive of XML files, which is why it is smaller, harder to corrupt and readable by software other than Word. It stores structure - headings, paragraphs, styles - so text reflows naturally when you edit it.
DOC is the original binary Word format, in service from 1983 until Office 2007. It packs everything into an opaque binary blob, which made it fragile and famously easy to corrupt. It survives mainly because old institutions and old software still expect it.
| Word | DOC | |
|---|---|---|
| Released | 2007 | 1983 |
| Developed by | Microsoft (Office Open XML) | Microsoft |
| Type | Editable document | Legacy binary document |
| Editable | Yes, fully | Yes |
| Layout behaviour | Reflows to fit the page and fonts | Reflows, with more drift between versions |
| Best suited to | Writing and revising | Opening in very old software |
| Support | Universal | Wide but fading |
Both formats describe the same kind of content, so the text itself comes through intact. Fine details - exotic fonts, precise spacing, unusual table borders - can shift slightly, because Word and DOC do not draw every element the same way.
Most documents finish in a few seconds. Conversion runs on our server rather than in your browser, so the slow part is usually the upload. Long reports and image-heavy files take proportionally longer.
Your file is uploaded to our server because the conversion runs there. A cleanup task runs every hour and deletes anything older than an hour, so nothing you upload survives more than about two hours. We do not open your files, we do not keep copies, and no account is needed to use the converter.