import local file in xlsx extension ?

It used to, but it was removed as reading from a .xlsx was too unstable and dependent of the platform (what could be fine in windows wasn't working as great in a mac).

The plugin currently import and exports from .csv, and given that this format opens automatically in excel and most other spreadsheet software, then, the workflow is the same as working with a .xlsx file. (except that you loose the color and layout information you may have set in excel).
But aside that, it is as simple as double-clicking a .csv and it will open in Excel (no need to "Import from text").

For using more advanced Spreadsheet features (like formulas, colors, layout, etc) the plugin encourages you to use Google Spreadsheets. The plugin will even automatically download any change from the spreadsheets after the game is released!

Thanks,
Frank

Hi,
One of the features that I'm working on is on Compressing the data (making the upload/download smaller, as well as the size of the localization data in memory). That should help you with this issue. However, this feature will not make it for the final 2.6.6 (Hopefully for 2.6.7 )

In the meantime, if you see weird characters when converting from xlsl to csv, most likely its because of the encoding. Be sure, you are exporting to csv in UTF8 or other major encoding format. And then, be sure to import the csv file using the same encoding. (there is a combo-box when importing the csv file that allows you to pick the encoding format of the file).

That should fix any weird characters you may see.

Hope that helps,
Frank