In most cases, you can save the unsupported file format in the supported format from within current versions of Word or PowerPoint. You can't co-author with Office 2007 or earlier format. The file is encrypted using Password Protection. Requiring check out can cause this.įor more info on this setting, see Set up a library to require check-out of files. To co-author on documents where Information Rights Management is applied using Microsoft Purview Information Protection Sensitivity labels, you will need to contact your admin to Enable co-authoring for encrypted documents. The file is using Information Rights Management (IRM) or Digital Rights Management (DRM) that has not been applied using Sensitivity labels. Here are some things that can cause problems when trying to co-author files and documents.

LessĬo-authoring with SharePoint, OneDrive, and Office is on by default, but there are situations that can block or prevent you from co-authoring with others. Excel for Microsoft 365 Word for Microsoft 365 PowerPoint for Microsoft 365 Excel for Microsoft 365 for Mac Word for Microsoft 365 for Mac PowerPoint for Microsoft 365 for Mac Excel for the web Word for the web PowerPoint for the web Excel 2021 Word 2021 PowerPoint 2021 Excel 2021 for Mac Word 2021 for Mac PowerPoint 2021 for Mac Excel 2019 Word 2019 PowerPoint 2019 Excel 2019 for Mac Word 2019 for Mac PowerPoint 2019 for Mac Word 2016 PowerPoint 2016 SharePoint Server 2016 Word 2016 for Mac PowerPoint 2016 for Mac Word 2013 PowerPoint 2013 SharePoint Server 2013 SharePoint Server 2013 Enterprise PowerPoint for Mac SharePoint in Microsoft 365 Office for business SharePoint Foundation 2013 Excel for iPad Word for iPad PowerPoint for iPad Excel for iPhone Word for iPhone PowerPoint for iPhone Word for Android tablets Excel for Android tablets PowerPoint for Android tablets Word 2010 PowerPoint 2010 Excel for Android phones Excel Mobile PowerPoint for Android phones Skype for Business Word for Android phones Word Mobile More.

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