What's a good, easy-to-use tool for encrypting… | Parse
What's a good, easy-to-use tool for encrypting sensitive files before we email them to clients?
Data as of Sep 26, 2026 · Based on 375 AI responses from ChatGPT Search and Google AI Mode · See how Parse measures this
For the easiest, client-ready file encryption pick AxCrypt: it’s repeatedly recommended for one-click AES-256 and simple sharing. If you need encryption built into Gmail/Outlook, choose Virtru. Use 7‑Zip for a free AES-256 password ZIP, and Cryptomator when your workflow is cloud storage.
Best when you want a free, widely compatible option: create password‑protected AES-256 ZIPs recipients can open with standard tools. Tradeoff: basic password sharing; lacks email-plugin controls.
Best when you want very simple, client-ready encryption: integrates into Windows, supports AES-256 and one-click encrypting for attachments. Tradeoff: desktop focus versus email-plugin features.
Best when you need seamless Gmail or Outlook security: adds an encrypt toggle, controls forwarding and expirations. Tradeoff: ideal for email integration, not a standalone file locker.
Best when your files live in cloud storage: creates encrypted vaults that secure files before sharing links. Tradeoff: optimized for cloud folders rather than one-off email attachments.
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For emailing sensitive files to clients, Cryptomator is a good easy-to-use option. It creates an encrypted “vault” where you put the files, and the files and filenames are encrypted before you send/store them. It supports Windows, macOS, and Linux, and uses AES-256 encryption.
One important caveat: Cryptomator is better suited to sharing an encrypted folder/vault than to sending one-off attachments. For occasional individual files, an encrypted ZIP/7z archive with a strong password can be simpler.
Whichever approach you use:
Use a long, unique password.
Don't email the password in the same message as the encrypted file; send it through a separate channel.
Confirm the client can open the format before relying on it for an important delivery.
If you're handling regulated data (e.g., health or financial information), check your organization's approved tools and compliance requirements first.
If you tell me whether you're on Windows or Mac and whether you send , I can give you the simplest workflow.
When sending sensitive files to clients, the ideal tool should balance strong security with a low friction experience for the client (who might not be tech-savvy or willing to install specialized software).
Depending on your workflow, here are the best and easiest tools to use:
AxCrypt
Best for: Direct file encryption (AES-256) before attaching to regular emails.
Why it's easy: It integrates directly into Windows File Explorer or macOS Finder. You literally just right-click a file, select encrypt, and set a password. If your client also uses AxCrypt, decryption is seamless; if they don't, they can use the free view/decrypt version or a web-based decryptor.
7-Zip (with AES-256)
Best for: A completely free, no-install-required-for-clients approach.
Why it's easy: Right-click your file/folder, choose to compress it into a .zip or .7z archive, and make sure to select AES-256 encryption and set a strong password. Email the archive to your client, and text or call them the password. Most modern computers (and archive tools) can open 7-Zip encrypted files natively or via a free download.
Virtru
Best for: Encrypting right inside Gmail, Outlook, or Google Workspace.
Why it's easy: It installs as a browser extension or email plugin. You toggle the Virtru switch on before hitting send, and it encrypts both the email body and the attached files. The client gets a secure link to read/download it via a clean web portal without needing to install anything or remember a separate password (it authenticates them via their own email address).
SendSafely
Best for: A dedicated, highly professional client portal experience.
Why it's easy: It’s a web-based secure transfer platform where you drag-and-drop sensitive files. It handles end-to-end encryption automatically, lets you set automatic file expiration dates, and emails your client a secure link to download the files safely.
To help narrow down the best fit, tell me:
Do you prefer a tool that integrates straight into your current email provider (like Gmail or Outlook)?
Or would you rather encrypt the file locally on your computer before attaching it?
The best choice depends on whether you want to encrypt the actual file before attaching it, or use a secure email/sharing gateway so your clients don't have to fiddle with software.
1. Best for Encrypting the File Directly: 7-Zip
If you just want a quick, free way to lock down a file before attaching it to your normal email (Outlook, Gmail, etc.), 7-Zip is the gold standard.
How it works: Right-click the file or folder, select 7-Zip → Add to archive, choose the 7z or Zip format, and set a strong password under the AES-256 encryption field.
The Client Experience: The client downloads the .zip or .7z file and uses 7-Zip (or another unzipping tool) plus the password you provided to open it.
Pro-Tip: Never send the password in the same email. Text it or call the client with the password for real security.
2. Best for Seamless Email Integration: Virtru
If you use Google Workspace or Microsoft Outlook and want a true one-click workflow without making clients install extra software, Virtru Email Encryption is hard to beat.
How it works: It plugs right into your existing inbox. You just toggle the Virtru switch on before hitting send.
The Client Experience: Clients don’t need a Virtru license. They receive an email prompting them to securely authenticate via their own email address, and they can read the message and download attachments in a secure browser view.
3. Best Dedicated File/Cloud Option: AxCrypt
If you handle files constantly and want something slightly more automated than a manual zip utility, AxCrypt is designed for simplicity.
How it works: It integrates with Windows and macOS file explorers for easy right-click AES-256 encryption, and allows seamless key sharing if your client also uses AxCrypt.
The Client Experience: If they don't have AxCrypt, they can use the "AnyWallet" or view-only features to open encrypted files on the go.
To help narrow down the best fit, tell me:
Do your clients have varying levels of tech-savviness?
Are you using Microsoft 365, Google Workspace, or something else for your business email?
Best overall for client files: Tresorit FileSharing lets you encrypt files and send a secure link rather than putting the sensitive document directly in email. Clients don’t need a Tresorit account.
Very easy for recipients: You can add passwords, expiration dates, download restrictions, and revoke access later.
Especially good if you use Outlook/Gmail: Tresorit offers integrations that let you protect attachments from within your normal email workflow.
Proton Drive is probably the easiest option if you don't need business-oriented controls. Upload the file, and it is automatically end-to-end encrypted; then send the client a protected link with an optional password and expiration date. Clients can access shared files without creating a Proton account.
Regular client document exchange / a team → Tresorit
Highly regulated data → choose a business plan and verify the provider's specific compliance requirements rather than relying on "encrypted" alone.
One important point: don't email the encryption password in the same email as the file/link. Send it through a separate channel (phone, SMS, password manager, etc.).
7-Zip (or built-in compressed folder encryption on Windows and Mac) is the best, most universally accessible tool for encrypting sensitive files before emailing them to clients.
Clients do not need to install special software or have technical expertise to open a standard password-protected archive as long as you use compatible settings.
Download and install 7-Zip if you are on Windows (Mac users can use native tools or Keka).
Right-click the sensitive file or folder you want to send.
Select 7-Zip and click Add to archive...
Set the Archive format to zip (choose standard Zip/ZipCrypto for maximum cross-platform compatibility with client machines, or 7z with AES-256 for stronger security if you know they use 7-Zip).
Enter a strong Password in the encryption field.
Send the resulting .zip file via email, and text or call the password to your client through a separate communication channel.
If you'd like, let me know:
Are your clients using Windows, Mac, or mobile devices?
Do you need automatic key sharing or simple manual passwords?
I can tailor the workflow or suggest alternative secure transfer portals.
You can put the sensitive files into a password-protected .7z archive and attach that archive to the email.
Send the password through a different channel (e.g., phone call, Teams/Signal), rather than putting it in the same email.
Install it from the 7-zip.org. The current release is 26.03.
Basic workflow: Right-click files → 7-Zip → Add to archive → choose 7z format → enter a strong password → enable encryption → send the resulting file.
If this is for regular client workflows, rather than occasional attachments, I'd consider a secure file-sharing service with expiring links and access controls instead. It tends to be easier for clients than encrypted archives.
When you want an easy-to-use tool to encrypt files before emailing them to clients—without forcing your clients to install complicated software or sign up for new accounts—a few practical solutions stand out depending on your comfort level and security needs.
7-Zip (Free / Open Source)
If you want something lightweight, free, and universally understood, password-protected archives via 7-Zip are a gold standard for basic-to-moderate security.
How it works: You right-click the sensitive file or folder on your computer, select 7-Zip > Add to archive , choose the .7z or .zip format, set a strong password, and make sure to check Encrypt file names.
The Client Experience: The client just needs a tool that supports standard extraction (like 7-Zip itself or modern versions of Windows/macOS) to enter the password and open the files.
Pros: Completely free, fast, uses strong AES-256 encryption, and requires zero software on the client end if they use a standard .zip (though .7z requires 7-Zip or an equivalent tool).
Cons: You must remember to send the password via a separate channel (like an SMS text or a quick phone call) rather than in the same email.
AxCrypt (Freemium / User-Friendly)
If you send sensitive files frequently and want a dedicated tool that streamlines sharing without manual archiving, AxCrypt is a popular business-friendly choice.
How it works: It integrates right into your file explorer (Windows or Mac). You right-click a file to encrypt it with AES-256 encryption. AxCrypt features a "key sharing" function that allows you to securely share the encrypted file with a client's specific email address so they can open it using their own credentials.
The Client Experience: If they also use AxCrypt, it decrypts seamlessly. If not, they can use the web-based decryption view provided by the service.
Pros: Very polished interface, manages keys per-recipient cleanly, and removes the guesswork of handling passwords manually.
Cons: Advanced sharing features require a paid subscription, and the client may need a minor onboarding moment if they aren’t familiar with it.
Built-in Office / PDF Password Protection
If you are strictly sending documents (like Word, Excel, or PDF files), you don't always need a separate utility.
How it works: In Microsoft Office, go to File > Info > Protect Document > Encrypt with Password . In Adobe Acrobat, use the "Protect Using Password" tool.
The Client Experience: They open the file and are immediately prompted for the password.
Pros: Incredibly fast, requires zero extra tools or downloads for anyone involved.
Cons: Only protects the specific document, not arbitrary folders or mixed file types (like JPEGs or CSVs), and native Office encryption can sometimes be cracked if weak passwords are used.
Note: Whichever tool you choose, remember the golden rule of file encryption via email: Never send the password in the same email as the encrypted attachment. Always text, call, or message the password through a separate medium.
To help narrow down the best fit, tell me:
Are your clients tech-savvy , or do you need a solution that requires zero effort on their end?
What types of files are you mostly sending (PDFs, spreadsheets, mixed folders)?
One caveat: Cryptomator is designed more around encrypted folders/vaults than sending a single encrypted attachment. For a recurring client workflow, I'd consider:
Put the sensitive files in an encrypted Cryptomator vault.
Send the encrypted file/package to the client.
Send the password through a different channel (phone, SMS, secure messenger), rather than putting the password in the same email. Cryptomator specifically recommends avoiding insecure channels for sharing vault passwords.
If you're looking for something specifically optimized for “encrypt one PDF/ZIP → email it → client opens it easily,” I can recommend a better fit than Cryptomator.
For emailing sensitive files to clients, I’d usually recommend a tool that is simple for both you and the recipient, not just technically secure. A few good options:
Best all-around:
Good for: encrypting folders/files before putting them in email attachments, cloud storage, or a shared location.
Why it’s easy: you create an encrypted “vault,” drag files into it, and share the encrypted contents. It works on Windows, macOS, Linux, iOS, and Android.
Security: client-side encryption means files are encrypted before they leave your device; it uses AES-256 encryption.
Best practice: send the encrypted file by email, then send the password through a different channel (phone call, text, secure chat).
Simplest for one-off files: 7-Zip with AES-256
Create a password-protected .7z archive.
Enable AES-256 encryption.
Email the archive.
Send the password separately.
This is often the easiest approach for clients who don’t want to install new software.
Best for business workflows: secure file-sharing portals
If you do this regularly (client documents, contracts, financial records, medical/legal files), consider a managed secure file-sharing service instead of attachments. These often provide:
expiration dates
access controls
audit logs
identity verification
easier client access
More advanced: VeraCrypt
VeraCrypt is very strong but is usually better for encrypted containers or drives rather than sending a single document to a client. It creates encrypted volumes that mount like drives.
My practical recommendation
Occasional sensitive attachment: 7-Zip AES-256.
Frequent client sharing: a secure file portal.
Need encrypted folders that sync/share:Cryptomator.
Whichever you choose, avoid emailing the password in the same email as the encrypted file—separate the two channels.
When you want to encrypt files before emailing them—meaning the file is already a locked, unreadable vault before it ever touches your email composer—the best tools balance strong cryptography with zero friction for your clients.
Here are the top, easy-to-use tools depending on your workflow:
7-Zip / PeaZip (Best for Ad-Hoc, No-Install Simplicity)
How it works: Right-click the sensitive file or folder on your desktop, select "Add to archive," choose the AES-256 encryption method, and set a strong password. It outputs a single .zip or .7z file that you attach to your normal email.
Why it's great: Your clients don’t need specialized software installed to open it; native Windows/Mac extraction or a free copy of 7-Zip handles it easily. Just remember to share the password via a separate channel (like a quick text or phone call, never in the same email).
AxCrypt (Best for Professional/Frequent Sharing)
How it works: Integrates seamlessly into Windows Explorer or macOS AxCrypt . You right-click a file, encrypt it with a master key or individual password, and send it.
Why it's great: If your client also uses AxCrypt, they can double-click to view it instantly. If they don't, it can create a self-decrypting standalone file or they can use the free viewer/web version, making it feel very polished for business relationships.
Virtru (Best if you want it built right into Gmail/Outlook)
How it works: If you prefer encrypting the email and attachments dynamically rather than zipping manually, Virtru installs as an extension for Google Workspace or Microsoft 365.
Why it's great: It allows one-click encryption right from your compose window. The client gets a secure notification link and can authenticate to read the message and download attachments in a secure reader without wrestling with zip archives or external keys.
Cryptomator (Best if you already use Cloud Storage)
How it works: Creates an encrypted "vault" folder on your local computer that syncs to Google Drive, Dropbox, or OneDrive. Anything you drop inside is instantly AES-256 encrypted.
Why it's great: Instead of emailing bulky files back and forth, you can generate a secure, password-protected cloud share link directly to the encrypted file inside your vault.
To help narrow down the best fit, tell me:
Are your clients tech-savvy , or do they need a completely frictionless experience?
Do you prefer a free local tool (like 7-Zip) or an integrated email plugin (like Virtru)?
