Spending ten minutes digging through the Downloads folder, hunting for “that file” among hundreds of icons on the desktop, not knowing which of “final” and “final2” is the right one: most of us have been there. Keeping a computer tidy is not about complicated software; it comes down to a few simple rules and habits. In this guide we look at what files, folders and extensions are, the basics of File Explorer in Windows, a sensible folder structure and rules for naming files. Then we cover searching, copying, moving and deleting files and the Recycle Bin, exchanging files with a USB drive and a phone, zip archives and the equivalent steps in Finder on macOS. Using a teacher, an accountant and a student as examples, we show ready-made structures, go through common mistakes, and finish with a practice exercise and a checklist.
Files, folders and extensions
What files and folders are
A file is a single “item” stored on a computer: a document, a photo, a spreadsheet, a song, a video or a program. Every file has a name, a size, and a date it was created and last modified.
A folder is a “box” that keeps files together in groups. Folders can also contain other folders. Think of an office cabinet: the cabinet is the drive, the shelves are the main folders, the boxes are subfolders and the sheets of paper are files.
Every file has an address (path). For example, C:\Users\Malika\Documents\01-Ish\2026\Hisobot.docx is a file in the Documents folder of the user Malika on drive C, inside the “01-Ish” and “2026” folders.
Extensions and how to show them
The extension is the part of a file name after the dot. It tells you the type of file and which program will open it:
- .docx is a Word document; .xlsx an Excel spreadsheet; .pptx a PowerPoint presentation.
- .pdf is a document for reading and printing rather than editing.
- .jpg, .png and .heic are images (.heic is usually an iPhone photo).
- .mp4 is video and .mp3 is audio.
- .zip and .rar are archives.
- .exe and .msi are program installers in Windows.
By default Windows hides extensions, so of two files called “Application” you cannot see which is the .docx and which is the .pdf. Scammers also use names such as “document.pdf.exe”: with extensions hidden, a program appears as “document.pdf”. So switch extensions on:
- Open File Explorer (Windows + E).
- Windows 11: at the top, View → Show → File name extensions.
- Windows 10: on the View tab, tick File name extensions.
Do not change an extension by hand: renaming “.docx” to “.pdf” does not turn the file into a PDF, it simply stops it opening. For that you need Save As or Export in the program itself.
File Explorer basics
File Explorer is the main window for working with files in Windows. It opens with Windows + E or from the yellow folder icon on the taskbar.
Parts of the window
- Left pane: Quick access (Home in Windows 11), This PC, drives and USB drives.
- Address bar: the path of the current folder; click on it to copy the path.
- Search box: top right.
In the View menu choose Details: the file name, the date modified, the type and the size appear in columns. Clicking a column heading sorts the files by that column, so the newest file can go to the top, for example.
The main folders
Windows creates a set of ready-made folders for each user:
- Desktop: every file on your desktop actually lives in this folder.
- Downloads: files downloaded from the browser and messaging apps land here.
- Documents: the main place for documents and a good place to build your own structure.
- Pictures, Videos and Music: for photos, video and audio.
An important principle: Desktop and Downloads are temporary places, not a permanent archive. When you have finished with a file, move it to a permanent folder.
Quick access and pinning
Pin the folders you use every day to the left pane: right-click the folder and choose Pin to Quick access. To remove it, choose Unpin from Quick access. The folder itself does not move; you simply get a shortcut to it.
On macOS: Finder
On a Mac, Finder does the job of File Explorer. The ideas are the same:
- Showing extensions: Finder → Settings (Preferences in older versions) → Advanced → Show all filename extensions.
- Quick access: drag the folder into the Favorites section of the sidebar.
- Renaming: select the file and press Return.
- Deleting: Cmd + Delete sends the file to the Trash; to empty it for good, use Trash → Empty Trash.
- Moving: Cmd + C, then Option + Cmd + V in the new location (plain Cmd + V pastes a copy).
- Searching: Spotlight with Cmd + Space, or the search box in a Finder window.
- Archiving: right-click → Compress; to open a zip file, just double-click it.
- Removing a USB drive: the Eject icon next to the drive in the sidebar.
A sensible folder structure
The secret of a good structure is simplicity: 4–6 main folders and no more than 3–4 levels deep.
Inside Documents you could start with this structure (the names are in Uzbek, as one of our readers would create them):
- 01-Ish (Work): work documents, with years and projects inside.
- 02-Oqish (Study): courses, certificates, learning materials.
- 03-Shaxsiy-hujjatlar (Personal documents): a copy of your passport, diploma, contracts, utility bill receipts.
- 04-Rasmlar (Photos): by year and month, 2026 → 2026-09, 2026-10.
- 99-Arxiv (Archive): finished projects and past years.
The numbers at the start keep the folders in order of importance rather than alphabetical order, and “99-Arxiv” always sits at the bottom. The Uzbek apostrophe has been deliberately left out of “Oqish”: avoiding it in names prevents unexpected problems in some programs and on some websites. For the same reason it is best to avoid Cyrillic letters in the names of files that will be uploaded to a website or sent to others.
For photos, a year → month structure is the most natural, with a topic added to the name when needed: 2026-05-Samarqand-sayohat.
The rule: if you cannot immediately answer the question “where should this file go?”, the structure is too complicated.
File naming rules
A good name tells you what a file is before you open it. “New document (3).docx” or “IMG_4521.jpg” tell you nothing.
- The date in YYYY-MM-DD format, at the start. “2026-10-05-meeting-minutes.docx”. In this format, sorting by name automatically puts files in chronological order. “05.10.2026”, on the other hand, sorts wrongly: the 5th of every month ends up side by side.
- A few words about the content. What it is, who it is for or which project: “report-september”, “application-school”.
- A version number. Instead of “final”, “new” or “latest”, use v1, v2, v3: “2026-10-05-project-proposal-v2.docx”. Keep the copy you sent with a version number too, not “final”: you may well be asked for changes again.
- Hyphens instead of spaces. Not “Monthly report September.xlsx” but “monthly-report-september.xlsx”. When uploaded to some websites and used in links, spaces turn into codes such as “%20”.
- No special characters. Windows does not allow the characters
\ / : * ? " < > |in names at all. Apostrophes, commas, # and & can also cause problems. Latin letters, digits, hyphens and underscores are a safe set. - Short and consistent. Keep names under 40–60 characters: a long name combined with deeply nested folders can leave some programs unable to open the file.
To rename a file, select it, press F2, type the new name and press Enter.
Three real-life examples
The examples below are hypothetical, with invented names and numbers; adapt them to your own work.
A teacher’s lesson plans
Gulnora Saidova teaches Uzbek language and literature at a school in Tashkent and every year prepares lesson plans, presentations and tests for years 5 and 7. Her structure:
- 01-Ish → 2026-2027-oquv-yili (school year) → 5-sinf, 7-sinf (year groups), Majlislar (meetings), Hisobotlar (reports).
- Inside each year group, by term: 1-chorak, 2-chorak and so on.
- File names: “2026-09-15-5-sinf-ot-turkumi-dars-rejasi-v1.docx”, “7-sinf-1-chorak-test-A-variant.pdf”.
At the end of the school year this folder moves into “99-Arxiv”, and the following year the lessons she needs are copied from there and updated.
An accountant’s monthly documents
For Rustam Qodirov, an accountant at a small trading company in Namangan, what matters most is the month and the type of document:
- 01-Ish → 2026 → 2026-09, 2026-10…
- The same subfolders inside every month: Schyot-fakturalar (invoices), Bank-kochirmalari (bank statements), Hisobotlar (reports), Shartnomalar (contracts).
- File names: “2026-10-03-schyot-faktura-0157.pdf”, “2026-09-oylik-hisobot-v3.xlsx”.
At the start of each month Rustam copies a set of empty folders under the new month’s name. If an audit asks for “August’s bank statements”, they can be found in seconds.
A student’s coursework
Diyorbek Ergashev, a university student in Samarkand, organises his work by semester:
- 02-Oqish → 3-kurs → 5-semestr → a folder for each subject.
- A separate folder for his coursework: Kurs-ishi-iqtisodiyot → Manbalar (sources), Qoralamalar (drafts), Topshirilgan (submitted).
- File names: “kurs-ishi-ergashev-v4.docx”, and the submitted copy as a PDF: “2026-12-10-kurs-ishi-ergashev-v5.pdf”. The PDF sources are named by author and year, which makes compiling the reference list easier.
Searching, copying, moving and deleting
Searching
The search box looks in the current folder and its subfolders, so open the right folder (Documents, for example) first.
- Type part of the name: “report”.
- Only files of a certain type: *.pdf or *.xlsx.
- By date: datemodified:this week (files changed this week).
Copying and moving
- Copy: Ctrl + C, then Ctrl + V in the new location. The original stays where it was.
- Move: Ctrl + X, then Ctrl + V. The file disappears from its old location.
- New folder: Ctrl + Shift + N.
- Selecting several files: hold Ctrl and click them one by one, or click the first and Shift-click the last. Ctrl + A selects everything.
Take care when dragging with the mouse: within the same drive a file is moved, but dragged to another drive (a USB drive, say) it is copied.
Deleting and the Recycle Bin
The Delete key sends a file to the Recycle Bin. To get it back, open the Recycle Bin on the desktop, right-click the file and choose Restore; it returns to its original location.
Three important exceptions:
- Shift + Delete deletes a file permanently, bypassing the Recycle Bin.
- Files deleted from a USB drive and most other external devices usually do not go to the Recycle Bin.
- If the Recycle Bin fills up or you click Empty Recycle Bin, the files can no longer be recovered.
That is why important files need a separate backup; we will cover this in detail in a separate article.
The habit of clearing Downloads and Desktop
Tidiness is a habit, not a one-off job. Set aside 10–15 minutes once a week:
- Open Downloads and sort by Date modified.
- Make one decision per file: if you need it, move it to a permanent folder; if not (an installer you have already run, for example), delete it.
- Check the “Telegram Desktop” folder inside Downloads as well.
- Leave only the 5–10 things you are working on right now on the Desktop.
- Finally, look through the Recycle Bin and empty out what you do not need.
USB drives, phones and zip archives
USB drives
When you plug in a USB drive, it appears in File Explorer under This PC as a separate drive. You transfer files by copying them as usual.
- Safe removal. When copying has finished, do not pull the drive out straight away: right-click it in the left pane and choose Eject, or use the “Safely Remove Hardware and Eject Media” icon in the bottom right-hand corner. Otherwise a file may be damaged.
- Large files. A drive formatted as FAT32 cannot hold a single file larger than 4 GB. You can reformat it as exFAT, but formatting erases everything on it.
- Security. A USB drive that has been used in other people’s computers (a print shop, a library) may carry malware. Do not open unfamiliar .exe files, and scan the drive with antivirus software. There is more in our article on online safety.
Exchanging files with a phone
Android: connect the phone with a USB cable, tap the USB notification on the phone screen and choose “File transfer”. The phone appears under This PC, and camera photos are usually in the DCIM\Camera folder.
iPhone: when you connect it, accept the “Trust This Computer” prompt on the phone. It appears on the computer as “Apple iPhone”, with photos in Internal Storage\DCIM. iPhone photos may be in .heic format; if they will not open, you can choose .jpg in the phone’s settings (Settings → Camera → Formats → Most Compatible).
Move photos straight into 04-Rasmlar → year → month. Many people send small documents to themselves through Saved Messages in Telegram; it is convenient, but put the downloaded file in its proper place afterwards. For automatic syncing between devices there are cloud storage services.
Zip archives
A zip file is an archive that bundles several files or folders into one. It is handy for sending many files by email; documents shrink a little, while photos and videos barely shrink at all.
- Create (Windows 11): select the files or folders → right-click → Compress to ZIP file (in some versions Compress to… → ZIP File).
- Create (Windows 10): right-click → Send to → Compressed (zipped) folder.
- Open: right-click the zip file → Extract All → choose a location → Extract.
Do not edit a file directly inside a zip, as your changes may not be saved; use Extract All first. Recent versions of Windows can also open .rar archives; on older versions you will need the free 7-Zip program.
Common mistakes
- Everything on the Desktop. The desktop fills up and the file you need gets lost. Keep the Desktop for current work only.
- Using Downloads as an archive. Hundreds of files pile up with names such as “document (7).pdf”. Get into the habit of a weekly clear-out.
- “final”, “final2”, “really-final”. You can no longer tell which one is actually the latest. Use version numbers and dates.
- Folders too deep or too fragmented. A separate folder for every file is also a mess. 3–4 levels are enough.
- Ten copies of one file. Different versions of the same document sit in different folders. Choose one main location.
- A single copy. If the computer breaks or the phone or USB drive is lost, the files go with it. Important files should be kept in at least two places.
- Pulling out a USB drive without ejecting it. A file may be damaged; use Eject.
Practice exercise and checklist
Start with a one-hour “big clear-out”; after that, keeping things tidy is easy.
- Switch on file extensions in File Explorer and choose the Details view.
- Create the main folders in Documents: 01-Ish, 02-Oqish, 03-Shaxsiy-hujjatlar, 04-Rasmlar, 99-Arxiv (or their equivalents in whatever language suits you).
- Pin the 2–3 folders you use most to the left pane with Pin to Quick access.
- Go through every file on the Desktop: move each one to a permanent folder or delete it.
- Sort Downloads by date and do the same.
- Rename your 10 most important files following the rules (F2): date, content, version, hyphens.
- Move the last month’s photos from your phone into 04-Rasmlar → year → month.
- Zip a folder, then extract it to another location with Extract All, so you have tried both.
- Put a weekly 15-minute “tidy-up slot” in your calendar.
Checklist
- File extensions are visible.
- There are 4–6 main folders, nested no more than 3–4 levels deep.
- File names have the date as YYYY-MM-DD, a version v1/v2, and no spaces or special characters.
- The Desktop holds only current work, and Downloads is cleared once a week.
- The folders you need are pinned to Quick access.
- The USB drive is removed with Eject.
- Important files have at least one copy somewhere else.
Organised files are the invisible foundation of everyday work, such as preparing documents in Word. Build the structure once, give it a few minutes a week, and you will always find the file you need in two or three clicks.
If you would like to learn to use a computer systematically with a teacher, take a look at our association’s free computer literacy programme and other training programmes. When you are ready, submit an application and our specialists will get in touch.