Windows 10: How can I tell if I create a directory that contains special characters?

I have encountered a problem, that is, when I create a folder, it will prompt me that it contains special characters. I want to know how windows system detects that a certain character is a special character. I want to judge this in advance instead of waiting for me to create it.Thank you very much hope to be able to help me.

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Special character in password

I have set my password to a stronger password that includes letters, numbers and special characters.
I changed it from the outlook.com accounts page.

However, my windows phone has problems sync-ing. I tried to enter the password many times and it keeps stating my password is incorrect.
I tried the web version and I am able to log-in.

I read from the http://support.microsoft.com/kb/2432933?wa=wsignin1.0 that if my password contains special characters, I would have to change.
I do not mind changing it to just letters and numbers but I have a question, why does windows phone outlook not accept passwords that contain special characters??? This should be allowed for all Microsoft services including Windows Phone.

 

Alt codes for special characters not working

I have a new Lenovo Yoga 530 with Windows 10. My keyboard doesn't have a numpad on the right hand side.

Alt codes for special characters are not working in document apps or any other text input area in a web browser etc.

I have done the following but it hasn't worked:

1. Ease of Access Mouse settings: 'Use Mouse Keys when Numlock is on' -> OFF

2. Regedit -> HKEY_CURRENT_USER\Control Panel\Input Method -> Created a string value called EnableHexNumpad with the value
of 1

3. Use Fn and Alt keys





Nothing works to get special characters. I can use the Charmap function but it is long-winded and not conducive for fast typing (I type in languages that contain many special characters.)

Any ideas? Suggestions?

 

How to create folder name or file name with special characters like \ / : * ? " < > |

My problem is that, I can not give name of my folder or file with special characters like \ / : * ? " < > | in windows based O.S.
This is very important for me, that giving name of file/folder which contain this type of characters.

I already search and refer so many site,for this problems but all are hopeless.
I also read Microsoft support page, they suggest use other characters. This is its link, https://support.microsoft.com/en-us/kb/177506

I already try Alt button + ASCII code number of this type of special characters, from numpad key, just example rename file/folder and press Alt+60 (for < characters) Still it giving message that, A filename cannot contain any of the following characters:
\ / : * ? " < > |

Suggest me suitable solution so that I can give name of my file/folder with this type of special characters.