Opening a HOL File

The HOL file type is primarily associated with Microsoft Outlook.

HOLFile Extension HOL
File extension: HOL
File type:  data file

What is a HOL file?

HOL files mostly belong to Microsoft Outlook. HOL files hold holiday list data used in Microsoft Outlook. These files store a holiday calendar through structured text, often encoded in UTF-16 (LE).

  • Purpose: They list holiday names and dates for calendar synchronization.
  • Functionality: They are imported into Microsoft Outlook to update and manage your holiday calendar, ensuring that public holidays appear in your schedule.
  • Usage: Often referred to as a holiday calendar data file, these files support proper date marking in Outlook.

If you need more details on how Outlook handles these files, you can visit the official Microsoft Outlook page.
FilExt.com note: Advanced users may open a HOL file with a Unicode-supporting text editor to inspect its content, though it is best managed through Outlook.

How can I open a HOL file?

You need a suitable software like Microsoft Outlook to open a HOL file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your HOL file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a HOL file directly in the browser:. Just drag the file onto this browser window and drop it.

Online HOL Text Viewer

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Programs that open and convert HOL files:

  1. Microsoft Outlook
    See the previous paragraphs to learn more about the main application. HOL files are often referred to as Microsoft Outlook data files because this type of file is primarily created or used by this software.
  2. Personal Paint (Dutch Language User Interface File) by Amiga
    This is a file of the form: UITEXT.xxx where the file extension denotes the language the user interface should appear in. It is used by Amiga programs which can change their user interface. Personal Paint is one; ColorType, Personal Fonts Maker 2 and Personal Write are others. Related links: Amiga Forever

Technical Data for HOL File Extension

File classification:
Data
Related files:
ics, vcs, msg, hol 2, xlsx, custom, hrv, svk, csv, xml
Related links:

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: holfile, FileType: Microsoft Office Outlook Holidays, AppName: Microsoft Office Outlook

ProgramID: holfile, FileType: Microsoft Outlook Holidays, AppName: Microsoft Outlook
EXEFile: OUTLOOK.EXE

ProgramID: holfile
EXEFile: %ProgramFiles%\MI1933~1\Office10\OUTLOOK.EXE /hol %1

ProgramID: holfile
EXEFile: %ProgramFiles%\MI1933~1\OFFICE11\OUTLOOK.EXE /hol %1

ProgramID: holfile
EXEFile: %ProgramFiles%\MI699F~1\OFFICE11\OUTLOOK.EXE /hol %1

ProgramID: holfile
EXEFile: %ProgramFiles%\MICROS~1\Office10\OUTLOOK.EXE /hol %1

ProgramID: holfile
EXEFile: %ProgramFiles%\MICROS~1\OFFICE11\OUTLOOK.EXE /hol %1

ProgramID: holfile
EXEFile: %ProgramFiles%\OfficeXP\Office10\OUTLOOK.EXE /hol %1

ProgramID: holfile
EXEFile: %ProgramFiles%\MI69DF~1\Office12\OUTLOOK.EXE /hol

ProgramID: holfile
EXEFile: %ProgramFiles%\MI1933~1\Office12\OUTLOOK.EXE /hol

ProgramID: Remote.Control.10
EXEFile: %ProgramFiles%\COMMON~1\REMOTE~1\REMOTE~1.EXE

ProgramID: Outlook.File.hol
EXEFile: %ProgramFiles%\MICROS~2\Office12\OUTLOOK.EXE /hol

ProgramID: Remote.Control.11
EXEFile: %ProgramFiles%\COMMON~1\REMOTE~1\REMOTE~1.EXE

ProgramID: Outlook.File.hol
EXEFile: %ProgramFiles%\MI3369~1\Office12\OUTLOOK.EXE /hol


a hol data file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with HOL files

  • Associate the HOL file extension with the correct application.
  • Update your software that should actually open data files. Because only the current version supports the latest HOL file format. Search, therefore, e.g. on the manufacturer website after an available Microsoft Outlook update.
  • To make sure that your HOL file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .HOL file online - secure, fast, and no downloads needed.
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