Office 365 and Office 2013/2016 Compatibility

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To check to see if your version of Office 365 (or Office 2013/2016) is compatible with WinCalendar, open Excel of Word then, select File and then ...




WinCalendar is fully compatible with both 32-bit & 64-bit Windows (Vista / 7 / 8 / 10) however WinCalendar will is not compatible with 64 bit Microsoft Office 2013 (a.k.a. Office 365).  WinCalendar will only work as a stand alone Windows pop-up Calendar if 64 bit Office is installed.  WinCalendar will not be available as a Calendar Maker if 64-bit Office is installed.

Per Microsoft, the 64 bit Office is recommended for "Excel expert users who work with Excel spreadsheets that are larger than 2 gigabytes (GB)". Source:

Accordingly, if you don't work with spreadsheets that are larger than 2 Gigabytes (= 2,000,000 KB), you may want to consider switching to 32-bit Microsoft Office.  Note 32-bit Microsoft Office is supported on both 32 & 64 bit Windows.

Microsoft Office 365 usually comes with both 32 & 64-bit Setups.  A full Uninstall of 64-bit Office is needed to install 32-bit Office/Excel.

For 64 bit Microsoft Office compatibility we recommend PrintableCal software by VueSoft.