Fix Excel Date Text Overflow When Using the Tenorite Font
Question details
Users need to fix a visual glitch where right-aligned dates formatted with the Tenorite font spill into adjacent cells in Excel.

- Product
- Microsoft Excel
- Device & OS
- not provided
- Scenario
- Formatting date cells with the Tenorite font at specific font sizes and worksheet zoom levels.
- Observed behavior
- Right-aligned date text overflows and appears to extend into the next cell due to a font-rendering anomaly, rather than actual workbook corruption.
Ensure your Windows operating system and Microsoft Office suite are fully updated to the latest versions, as Microsoft frequently releases patches for font-rendering bugs.
Adjust Font Size, Zoom Level, or Change Font
Since this is primarily a font-rendering bug with Tenorite, adjusting the display scale or switching to a highly compatible alternative font immediately resolves the visual glitch.
This overflow behavior is tied to how the Excel rendering engine interprets the Tenorite font data file at very specific zoom and size combinations.
Select the affected date cells, go to the Home tab on the ribbon, and slightly increase or decrease the font size in the Font group.
Use the zoom slider at the bottom right corner of the Excel window to change the worksheet zoom level (e.g., from 100% to 110%) until the overflow disappears.
If the issue persists, select the affected cells, click the Font dropdown menu on the Home tab, and choose a standard alternative font like Calibri or Arial.

Modify the Date Format or Cell Alignment
Changing how the date is formatted or aligned within the cell can prevent the text from bleeding into the adjacent space.
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Frequently Asked Questions
Why does the Tenorite font cause date text to overflow in Excel?
This is a known font-rendering issue within Excel's data file handling for the Tenorite font. It occurs at specific combinations of font sizes and worksheet zoom levels, causing the text to visually bleed into the next cell even if the cell is technically wide enough.
Is my Excel workbook corrupted if the text overflows?
No, this specific issue with the Tenorite font is purely a visual rendering bug. Your spreadsheet data, formulas, and overall workbook integrity remain completely unaffected.
Will updating Microsoft Office fix the Tenorite font issue?
It might. Microsoft frequently releases patches that address font data and rendering bugs. Navigate to File > Account > Update Options and click Update Now to ensure you have the latest bug fixes installed.
How can I prevent this overflow without changing my font?
You can often temporarily bypass the bug by slightly adjusting your worksheet zoom level using the slider at the bottom right of the screen, or by changing the cell alignment from right-aligned to centered or left-aligned.




