Forum Discussion
SharePoint 2013 errors for file uploads with special characters or wrong extension
Hello. When we upload a file to a SharePoint library with special characters, it gives an error "File names can't contain the following characters: & " ? < > # {} % ~ / \." or if we upload a .exe fil...
Hi, there are some security reasons, why those characters are not allowed in the filenames. You should not change because of some requirements which make your environment vulnerable to attacks. Also, you are not allowed to upload the executables since it is blocked in the central administration, you have to allow the executables to upload to the document library. I suggest you follow the best practice guidelines from Microsoft and recommend the customer to follow the same.