How to Zip and Unzip Files in Windows 10 (2026 Guide)

Windows 10 can zip and unzip files without extra software for everyday .zip archives. File Explorer’s Compressed (zipped) folder feature is enough for email attachments, course uploads, and light backups. This guide covers the built-in path, safer extraction habits, and when you need a stronger archiver.

Zip vs unzip vs “open”

• Zip — pack files into a .zip archive to shrink size and keep a folder structure together
• Unzip / extract — copy contents out into a normal folder you can edit
• Open inside the zip — browse the archive; some apps work, but editing in-place is a bad habit

Best practice: extract first, then open documents from the extracted folder.

How to zip files in Windows 10

1. Open File Explorer and select files or folders (Ctrl+click for multiple)
2. Right-click the selection
3. Choose Send to → Compressed (zipped) folder
4. Type a clear name while the archive name is highlighted
5. Move the .zip to Desktop, Documents, or an external drive

Tips:

• Zip the folder if you care about relative paths
• Close Word/Excel files before zipping so locked files are not skipped
• Avoid enormous single archives if you plan to email them; many mail servers reject large zips

How to unzip files in Windows 10

Method A — Extract All (cleanest)

1. Right-click the .zip
2. Click Extract All…
3. Pick a destination (not deep inside another zip)
4. Finish and open the new folder

Method B — Drag and drop

1. Double-click the zip to browse it
2. Drag files to Desktop or Documents
3. Confirm the copies open outside the archive

If you only double-click a document inside the zip, Windows may extract a temp copy. Saving edits then gets confusing. Extract All avoids that mess.

Keyboard-friendly flow

• Select items → Menu key / Shift+F10 → Send to → Compressed folder
• Or use the ribbon / command bar actions on builds that still expose Zip shortcuts
• After extraction, Alt+E style accelerators vary by Explorer update — mouse path remains universal

When Windows cannot extract the archive

Problem	Likely cause	Fix
No Extract All for the file	Not a zip (rar/7z/iso)	Use a trusted archiver
“Path too long”	Deep nested folders	Extract to C:\Work\ short path
Corrupt archive	Incomplete download	Re-download; compare file size
Access denied	Permissions / controlled folder access	Extract to your user Documents
Blocked file	Mark of the Web	Properties → Unblock if you trust source

If the archive lives on a USB disk Windows barely mounts, fix the drive visibility first with external hard drive not showing.

Performance notes on large zips

Creating a multi‑gigabyte zip on a spinning disk can make Explorer feel frozen. That is CPU/disk work, not always a crash. If Disk sits at 100% for long stretches during ordinary browsing too, investigate with Windows 100% disk usage fix rather than installing random “ZIP accelerator” junkware.

For large backups:

• Prefer copying folders to an external drive or using a dedicated backup tool
• Split archives only when you understand how to rejoin them
• Keep several free gigabytes on the destination volume

Password-protected and third-party formats

Built-in Explorer ZIP support is basic. You will want a reputable third-party archiver when you meet:

• .rar, .7z, many .tar.gz workflows
• Stronger password-protected archives
• Split multi-volume packs

Install from the vendor’s official site or Microsoft Store equivalent you trust. Skip adware bundles.

Security habits that prevent “I unzipped malware”

1. Know who sent the archive
2. Prefer cloud links from people you recognize over mystery email zips
3. After extraction, scan unexpected .exe, .js, .scr, .iso
4. Do not enable macros in Office files that arrived inside a random zip
5. Create a system restore point before installing tooling you have never used

Zipping does not equal encrypting. Do not email sensitive passports inside a plain zip and assume they are safe.

Zip for cleanup and transfers

Good uses:

• Bundle project folders before upload
• Compress logs when a support team asks for them
• Combine many small documents into one attachment

Poor uses:

• Zipping a whole C:\ drive as a “backup” while Windows is running
• Storing the only copy of files exclusively inside nested zips
• Passwordless zips of financial PDFs on shared PCs

If the PC is generally sluggish before you even start archiving, broader cleanup steps in speed up Windows 11 also help Windows 10 machines that share the same Explorer bottlenecks.

Command-line option (optional)

PowerShell can compress and expand archives:

• Compress-Archive -Path .\Folder -DestinationPath .\Folder.zip
• Expand-Archive -Path .\Folder.zip -DestinationPath .\Out

Useful for scripts; File Explorer remains easier for one-off work.

Nested zips and “zip bombs” (practical caution)

Occasionally you receive a zip that contains another zip, which contains another. Extract layer by layer into a short path like Documents\Inbox rather than Desktop piles. Extremely hostile archives exist in the wild that expand to absurd sizes; if an extract suddenly fills the disk, cancel, delete the archive, and free space before Windows becomes unstable.

You do not need paranoia for every office homework zip — just stop when sizes make no sense.

Sharing zips over cloud drives

Cloud tools sometimes create “online-only” placeholders. Zip those placeholders and you archive shortcuts, not files. Make files available offline first, then compress. When extracting downloads from a browser, wait until the .zip finishes (no .crdownload / .partial sibling) or Extract All will report corruption.

Naming and compatibility tips

• Prefer simple ASCII names for archives you send to older systems
• Avoid extremely long folder trees inside the zip
• Keep a non-zip copy of critical work until the recipient confirms they opened the archive
• If a Mac user cannot open your zip, ask whether they need a different tool — most modern macOS versions open standard zips fine

Related FixingHacks guides

• External hard drive not showing
• Windows 100% disk usage fix
• Create a system restore point on Windows
• Speed up Windows 11

Bottom line

On Windows 10, right-click → Send to → Compressed (zipped) folder to zip, and Extract All to unzip. Extract to a normal folder before editing, use a trusted archiver for rar/7z, and treat unexpected executables inside zip files as hostile until proven otherwise.