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- Always Create a backup of your site before installing new plugin's or themes. See How to backup your WordPress site / Plugin / Theme Installation.
How to fix Error ‘Sorry, you are not allowed to upload this file type.' in WordPress Plugin / Theme Installation.
While uploading a plugin/theme/file to your WordPress website, you may encounter the “Sorry, you are not allowed to upload this file type.” error. The message appears when you try to upload a file with an extension different than what WordPress allows by default. The default file types allowed are:
- Images: .jpeg, .jpg, .png, .gif, .ico
- Documents: .pdf, .doc, .docx, .ppt, .pptx, .pps, .ppsx, .odt, .xls, .xlsx, .psd
- Audio: .mp3, .m4a, .ogg, .wav
- Video: .mp4, .m4v, .mov, .wmv, .avi, .mpg, .ogv, .3gp, .3g2
Trying to upload files with extensions outside of the above will result in the “Sorry, you are not allowed to upload this file type.” error.
To allow the upload, go to and edit the wp-config.php file for your WordPress, which is generally found in the public_html folder. Above the line ‘That’s all, stop editing! Happy publishing.‘ insert the following:
define(‘ALLOW_UNFILTERED_UPLOADS', true);
Save the changes to the file and you should be able to upload the desired file.
For security reasons it is recommended to remove that new line you added in the wp-config.php after you upload the desired files. If you later want to upload more, you can add the line again.