Summary: Illegal file/folder names and conventions for the following operating systems: Windows Mac OS 9 Mac OS X Description: ===== EXPLANATION & OVERVIEW In the realm of cross-platform file sharing, sometimes the end users are not aware of the limitations posed by the operating system. For more information about file streams, see File Streams. - Integer value zero, sometimes referred to as the ASCII NUL character. Therefore, when you try to use the imported table, you receive unexpected errors. It seems there is space in the end of the file name, please remove it, then put the file in sync folder again, see if it can be sync to OneDrive online. It is common for websites to use alphanumeric character and only one special character, the hyphen, to separate words. For normal text (not markup), there are no special characters except < and &: just make sure your XML Declaration refers to the correct encoding scheme for the language and/or writing system you want to use, and that your computer correctly stores the file using that encoding scheme.See the question on non-Latin characters for a longer explanation. You should start with the Wikipedia Filename page. An ampersand (&) and hyphen (-) are the only special characters allowed in the name control. The name control can have less, but no more than four characters. Certain characters have special meanings when used in file names in OneDrive, SharePoint, Windows and macOS, such as "*" for wildcards, and "\" in file name paths. - Characters whose integer representations are in the range from 1 through: 31, except for alternate data streams where these characters are: allowed. This page tells you which characters are not allowed in Windows or Mac. Special characters are symbols such as & (ampersand) or * (asterisk). Both encode file names using UTF-16, although the exact encoding scheme is a bit different. * ‘ ( ) , And reserved characters like ? Mac OS X uses HFS+ file system, Windows use NTFS. (used to denote a query) Should I Use Special (Reserved) Characters in URLs? It has a decent-sized table (Comparison of filename limitations), listing the reserved characters for quite a lot of file systems.It also has a plethora of other information about each file system, including reserved file names such as CON under MS-DOS. Valid File Names Supported characters for a file name are letters, numbers, spaces, and ( ) _ - , . Best Regards, Tina Special characters: $ – _ . This article will explain which characters can cause problems with *Please note file names should be limited to 100 characte ... you would need to remove any unsupported file types and/or rename the file to a valid file name (removing any unsupported special characters) and then upload the renamed document. no representation as to the legal, regulatory or tax implications of the matters referred to in this guide. While we're on the topic of sheet names, the one word you can't use by itself as a sheet name is the word History. When you import a text file into Access and that text file contains tabs or other special characters, the special characters are converted, and then the special characters appear as boxes. If a file or folder you’re trying to upload to OneDrive contains any of the characters listed below, it may prevent files … It can be determined from the information specified on the first name line. 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