ICALTODO

Basic information about ICALTODO file

When there is a problem with opening files with the file extension ICALTODO（*.ICALTODO or *.icaltodo）, you do not need a computer expert. 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 ICALTODO file yourself.

There are 1 file types using the ICALTODO file extension in our database. In the further part of this page, you will find detail information about all the ICALTODO file with their brief description and a list of programs that support ICALTODO file sorted by operating systems. The table below provides useful information about the ICALTODO file extension. It answers questions such as:

What is the ICALTODO file?
How to open a ICALTODO file?
What programs do I need to open a ICALTODO file?
What programs help to create and edit a ICALTODO file?
How to convert ICALTODO files to another file format?
How to convert another files to ICALTODO file format?

1.Detail information about ICALTODO file extension: iCal To Do File

Software programs that will open, edit or convert ICALTODO files
File type	iCal To Do File	Category	Data Files
Developer	Apple	File format	Binary
Description	ICALTODO file is a iCal To Do File developed by Apple. Calendar data file used by Spotlight, a search utility included with Mac OS X; contains cached todo data used for searches; saved to the [user]/Library/Caches/Metadata/iCal/ directory.
macOS	Apple Calendar Apple Calendar (iCal)

Can't open a ICALTODO file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.ICALTODO”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the ICALTODO extension without any issue.

Where I can download the application that support ICALTODO file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.

How to change file associations?

Right-click a file with the extension whose association you want to change, and then click "Open With".
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.
Select the ”Always use the selected program to open this kind of file” check box.

Can I change the extension of ICALTODO files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.

What else may cause problems width open a ICALTODO file?

The reasons for the lack of the ability to open a ICALTODO file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a ICALTODO file. If there is still something wrong, you might want to check:

Whether the ICALTODO file is damaged.
Whether the ICALTODO file is incorrectly linked in the registry entries.
Whether the ICALTODO file extension has been accidentally removed from the Windows registry.
Whether the installation of an application that supports the ICALTODO file format is incompletely.
Whether the ICALTODO file is infected.
Whether the drivers of the equipment used for opening a ICALTODO file are up to date.
Whether your computer has enough hardware resources to open a ICALTODO file.

If the ICALTODO file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.