Fillable December 2025 Calendar
The cool and relaxing green December calendar 2025 is the perfect tool to use to help you stay on track on your daily tasks. With this Monday start one-page monthly editable calendar, adding office tasks and to-do's can be managed more easily through your computer, laptop, or other devices.
The calendar is free to download, edit, print, or customize in multiple formats - PDF, Microsoft Word, and Excel.
To learn how to use our customizable monthly Monday start calendar templates, click here .
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How to Use and Customize Our December 2025 Calendar
See instructions below if you're looking for a guide on how to customize or edit our free monthly calendar template using Microsoft Word or Excel.
Monthly Calendar in Word
Word calendars can be saved to your local computer for customization. To customize your Monday start calendar, follow these steps:
- Download and save the document in your "Documents" folder or other preferred location.
- Rename the document if desired.
- Once you open the document, you can add events or your favorite holidays by typing directly into the table cells.
- Change the font style or color of your calendar to match your personal preferences.
- Add a background color to individual cells within the calendar to make them stand out.
- Use different table cell borders or shading to create a unique look for your calendar.
- Add important dates or events that are specific to you or your family.
- To preview your calendar in print mode, use the Word keyboard shortcut Ctrl+P to open the Print dialog
- Print, save or email your word calendar.
Monthly Calendar in Excel
Excel calendars can be saved to your local computer for customization. To customize your Monday start calendar, follow these steps:
- Download and save the spreadsheet in your "Documents" folder or other perferred location.
- Rename the spreadsheet if desired.
- Once you open the spreadsheet, you can add events or your favorite holidays by typing directly into the table cells.
- Change the font style or color of your calendar to match your personal preferences.
- To make events or holidays stand out in your calendar worksheet, you can add a background color to individual cells.
- Use different table cell borders or shading to create a unique look for your calendar.
- Add important dates or events that are specific to you or your family.
- To preview your calendar in print mode, use the Excel keyboard shortcut Ctrl+P to open the Print dialog.
- Print, save or email your excel calendar.