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I can't make import data sample!

you have to increase increase upload_max_filesize and post_max_sizehttp://awesomescreenshot.com/0274x0ss92

Switch on ZipArchive extension

http://stackoverflow.com/questions/23487877/error-wrong-export-slider-file-format-this-could-be-caused-because-the-ziparch

We advice to use such settings

htaccess Method

Some people have tried using the htaccess method where by modifying the .htaccess file in the root directory, you can increase the maximum upload size in WordPress. Open or create the .htaccess file in the root folder and add the following code:

1php_value upload_max_filesize 64M
2php_value post_max_size 64M
3php_value max_execution_time 3000
4php_value max_input_time 3000