Howto get rid of *.onetoc2 files using Powershell Posted by Daniel Hölbling on September 1, 2009 Today I did one small mistake when trying to open a command-line window on my source folder: Instead of hitting “Open command window here” I accidentally clicked “Open as OneNote notebook”. In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want. This operation will start applications associated with the .ONETOC2 file installed on your system. If a .onetoc2 file is found in the folder, OneNote opens the .onetoc2 file as a notebook. Can't open a .onetoc2 file? Opening ONETOC2 files. OneNote Table Of Contents.onetoc2 is not a Windows core file. Other types of files may also use the .onetoc2 file extension. The reasons for the lack of the ability to open a ONETOC2 file on your computer may be at least several. You could also try to contact the developer of given software that supports ONETOC2 files. To change file associations: Right-click a file with the extension whose association you want to change, and then click Open With. A .pub file is a Microsoft Publisher file format that's easiest to open with Microsoft Publisher. If after installing the program from a list, you still cannot open a file with the ONETOC2 extension, the reason may be that the file is damaged. In the following table, you can find a list of programs that can open files with .onetoc2 extension.This list is created by collecting extension information reported by users through the 'send report' option of FileTypesMan utility. Download and install Microsoft OneNote . .onetoc2 is a Microsoft OneNote index file that stores information about the order of note-taking sections. In the Open More Notebooks window, do either of the following: . Now select another program and check the box "Always use this app to open *.ONETOC2 files". How to Open ONETOC2 file. If you are still unable to open ONETOC2 file, you should contact an IT expert. When you double-click a file to open it, Windows examines the filename extension. .ONETOC2 file can be opened by many programs. In order to open ONETOC2 file download one of the software. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs you can solve the problem with the .ONETOC2 file yourself. To open ONETOC2 file you need to find an application which works with that kind of file. Here is some information which will get you started. Best Regards, Steve Fan ONETOC2 file extension is used by operating systems to recognize files with content of type ONETOC2. How to open a .ONETOC2 file? the lack of the appropriate application to support the .ONETOC2 file, there may be several reasons that cause problems with opening and operation of the data format: 1. It is used to organize a collection of notes in a notebook. File extension File name.ON2 On2 Encoded FLV.ONETOC Microsoft OneNote Table Of Contents.ONTX … We can try to close the notebook from your OneNote, and then move the .onetoc2 out of the notebook folder and paste it to desktop. The easiest is to install the manufacturer’s application. ONETOC2 file extension Information that help open, edit, and convert .ONETOC2 file . Specially dedicated programs are responsible for launching a .onetoc2 file saved in a specific format (which we can recognize on the basis of the extension of a given file). Can't open a .onetoc2 file? The full name of this type of files is Microsoft OneNote Table Of Contents. The files with the .ONETOC2 extension belong to the "Various Files" category. Associate the ONETOC2 file extension with the correct application. ONETOC2 files are a type of Microsoft OneNote Table Of Contents File developed for Microsoft OneNote by Microsoft Corporation. .ONETOC2 is a file extension that belongs to Settings Files of Microsoft. If Windows keeps asking you what program should be used to open the file, the problem is most possibly caused by broken files associations. Be especially cautious with .onetoc2 files coming from an unknown source! After double-clicking on the unknown file icon, the system should open it in the default software that supports it. To open Internet Explorer in admim mode, right-click on the IE shortcut icon or IE link and select "Run As Administrator". Right-click the ONETOC2 file that we want to open, then clicking the option "Open with" Then go to the "Choose default program" and we look for the path where our new application has been installed (in most cases it is the "Program Files" directory on drive C: at our computer and then the folder with the name of the installed program) Confirm by pressing the OK button . Could also try to open all.ONETOC2 files.pub format other types of files is to install the OneNote... You want to change, and convert.ONETOC2 file on your computer, will... 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