EditingDepends
Depends on your editor ecosystem
DOCX dominates Office; ODT is stronger in LibreOffice and open-source teams.
DOCX vs ODT
Microsoft-compatible DOCX versus the open-standard ODT for office documents.
Practical notes
Choose DOCX when recipients and reviewers use Microsoft Office.
Choose ODT when open standards, LibreOffice, or public-sector requirements lead.
Criteria
DOCX
ODT
File size & compression
Lossless
Lossless
Transparency
Not applicable
Not applicable
Animation
Not applicable
Not applicable
Editing
Full editing in Word, LibreOffice, and most office suites
Full editing in LibreOffice and Word
Openness
Open standard
Open standard
Browser support
Partial; usually converted before sharing
Partial; usually converted before sharing
Typical uses
Collaborative drafting, Reports and proposals, Track changes, Office document exchange
Open-source office documents, Public-sector exchange, Editing in LibreOffice, Standards-compliant archives
Limitations
Formatting can shift between suites, Not fixed-layout for print, ZIP structure complicates direct editing
Less consistent support in Microsoft Word, Formatting drift when converted, Fewer add-in features than DOCX
Attribute values come from the reviewed records on each format page.Read the methodology for source and review rules.
Use-case verdicts
Winners are conditional. A format wins only when the stated condition matches your workflow.
Sharing & deliveryDOCX
Recipients use Microsoft Office
DOCX is the dominant office exchange format.
ArchivingODT
Open-standard editing documents
ODT is an ISO/OASIS standard with broad open-source support.
PrintDepends
Both can export PDF
Use PDF for final fixed-layout output.