Computer file help and support
Updated: 08/16/2021 by Computer Hope
Computer file basics
- What is a file?
- What is a file extension?
- How to create a computer file.
- How to open, view, and edit the contents of a file on a computer.
- How to list files in a directory or folder on the computer.
- How to copy files.
- How to move files and folders on the computer.
- When I delete a file on my computer, where does it go?
Top file questions and answers
- How to change or rename a file, folder, or directory.
- How to associate a file with a program in Windows.
- How to recover missing, lost, or deleted files.
- How to find a file on a computer.
- How to determine the size of a file or folder.
- How to compress or make files into one file.
- How to select or highlight multiple files and folders.
- How to password protect files and folders in Windows.
- How to view hidden files and folders in Windows.
- Why do I get an 'Open with' window when opening a file?
Computer file extension questions and answers
- What is a file extension?
- How to view a computer file extension.
- How to change a file extension.
- How to delete a file extension.
- What are the most common file types and file extensions?
- How to create file extensions longer than three characters.
- How to delete all files except a specific file extension.
- Listing of computer file extensions.
DLL file related questions and answer
Folder and directory questions and answers
- What is a directory?
- What is a folder?
- How to create a directory or folder.
- How to delete a file, directory, or folder.
- All directory and folder questions and answers.
All other file related questions and answers
- Where should I save files?
- How to copy files from one drive to another drive.
- How to get a line count or other stats of a file.
- How to replace the file extensions of several files.
- What can and cannot be done in a text file?
- How to securely delete files with SDelete.
- How to create an empty or blank file.
- How to save a document.
- How to transfer files from a memory card to the computer.
- How to find and replace text within a text file.
- How to view hidden files in macOS.
- How to organize and arrange computer files.
- How to keep my Windows file listing the same in all folders.
- What are the Windows files with tildes?
- How to count how many files are in a folder or directory.
- How to merge or combine multiple files.
- How to combine multiple media files into one file.
- How to create a text file.
- Information on long file names.
- How to create an empty or blank file.
- How to write-protect files and folders.
- How to copy, move, or rename files with a space in the name.
- How to create a CSV file.
- How to open a CSV file.
- How to delete hidden files.
- How to delete text in a document.
- How to hide a file or folder in Windows.
- How to stop viewing hidden files in Windows.
- Why am I unable to save a file on my computer?
- What is the difference between a relative and absolute path?
- How to view the last modified date of a file.
- How to fix lost long file names when copying or moving files.
- How to open an encrypted file or folder.
- How to edit or rename a read-only file.
- How to view and change the file attributes in Windows.
- What is the rthdcpl.exe file?
- Why have all Windows .exe files changed association?
- How to fix cyclic redundancy check or CRC error.