Office 365 file extensions

Office 365 works with the following file extensions:

Note: You can click on any file extension link from the list below, to view its detailed information. The list of extensions used or otherwise associated with the application may not be complete, because many common file extensions on our website, such as jpg (pictures) or txt (text files), can be opened by a large number of applications, or are too general file format. However most, if not all directly associated file extensions should be listed with its appropriate program. Although its likely, that some file extensions may be missing from the list of associated file extensions with the application, yet they can be opened, be part of, or otherwise be associated with the program.

Office 365 default file extension associations

The most common file formats used with the specific file extensions

.accdb file extension is used for Microsoft Access main database

.doc file extension is used for Microsoft Word document (prior version 2007)

.docm file extension is used for Microsoft Word Open XML macro-enabled document

.docx file extension is used for Microsoft Word Open XML document

.mdb file extension is used for Microsoft Access database

.one file extension is used for Microsoft OneNote document

.pptx file extension is used for Microsoft PowerPoint Open XML presentation

.pst file extension is used for Microsoft Outlook personal storage table

.snp file extension is used for Microsoft Access report shapshot

.xls file extension is used for Microsoft Excel 97 to 2003 workbook

.xlsx file extension is used for Microsoft Excel Open XML workbook and spreadsheet

Other file extensions or file formats developed for use with Office 365

.ade.asd.aw.ecf.exe_0002.laccdb.mam.maw.mdz.ofn.olk14msgsource.olk15message.pdi.ppsm.sig.svd.svs.vst.xar.xlam.xlsb.xls_.xst

Common file extensions used by Office 365

.accdb.doc.docm.docx.dot.dotm.mdb.mpp.oft.one.onepkg.ost.potx.pps.ppsx.ppt.pptm.pptx.pst.pub.snp.tmp.xls.xlsm.xlsx

Other file extensions associated with Office 365

.accde.accdr.crtx.doc.hol.ldb.mde.olk.olk14recent.onetmp.onetoc2.sik.vcs.wbk.xlb.xlt.xsf._docx._xls

Comparison table of actions that Office 365 can perform with each of its associated file type ^beta

This table might not contain all possible associated or supported file types or may contain incorrect data.
If you need more information please contact the developers of Office 365 (Microsoft Corporation), or check out their product website.