## is_template_format(, extension) {#System.String}

Returns true if the extension is .xlt, .xltX, .xltm,.ots.


### Returns 





```python

@staticmethod
def is_template_format(extension):
    ...
```


| Parameter | Type | Description |
| :- | :- | :- |
| extension | System.String |  |



### See Also
* module [`aspose.cells`](../../)
* class [`FileFormatUtil`](/cells/python-net/aspose.cells/fileformatutil)