all-in-one privacy solution":["Proton Unlimited es solución de privacidad más completa"],"Black Friday":["Black Friday"],"No ads. Privacy by default.":["Sin publicidad. La privacidad por bandera."],"People before profits":["Nos importan las personas, no los beneficios"],"Security through transparency":["Seguridad con transparencia"],"The best Proton Mail ${ BLACK_FRIDAY } deals":["Las mejores ofertas del ${ BLACK_FRIDAY } de Proton Mail"],"The world’s only community- supported email service":["El único servicio de correo electrónico con apoyo de la comunidad"]},"specialoffer:limited":{"${ hours } hour":["${ hours } hora","${ hours } horas"],"${ hoursLeft }, ${ minutesLeft } and ${ secondsLeft } left":["Tiempo restante: ${ hoursLeft }, ${ minutesLeft } y ${ secondsLeft }"],"${ minutes } minute":["${ minutes } minuto","${ minutes } minutos"],"${ seconds } second":["${ seconds } segundo","${ seconds } segundos"],"Limited time offer":["Oferta por tiempo limitado"]},"specialoffer:listitem":{"Create multiple addresses":["Crea varias direcciones"],"Hide-my-email aliases":["Alias de hide-my-email"],"Quickly unsubscribe from newsletters":["Date de baja rápidamente de boletines"],"Use your own domain name":["Usa tu propio nombre de dominio"]},"specialoffer:logos":{"As featured in":["Hablan de nosotros"]},"specialoffer:metadescription":{"Get an encrypted email that protects your privacy":["Apuesta por un servicio de correo electrónico cifrado que protege tu privacidad"]},"specialoffer:metatitle":{"Proton Mail Black Friday Sale - Up to 40% off":["Rebajas de Black Friday de Proton: hasta un 40 % de descuento"]},"specialoffer:newmetadescription":{"Get up to 40% off Proton Mail subscriptions this Black Friday. Find great deals on our secure end-to-end encrypted email plans.":["Contrata Proton Mail con hasta un 40 % de descuento en las rebajas de Black Friday. Encontrarás nuestros planes de correo electrónico cifrado de extremo a extremo al mejor precio."]},"specialoffer:newmetatitle":{"Proton Mail Black Friday sale | Up to 40% off secure email":["Rebajas de Black Friday en Proton Mail | Correo electrónico seguro con hasta un 40 % de descuento"]},"specialoffer:note":{"* Billed at ${ TOTAL_SUM } for the first year":["* A un precio de ${ TOTAL_SUM } durante el primer año"],"*Billed at ${ TOTAL_SUM } for the first 2 years":["*A un precio de ${ TOTAL_SUM } durante los 2 primeros años"],"30-day money-back guarantee":["Garantía de devolución de 30 días"],"Billed at ${ TOTAL_SUM } for the first 2 years":["A un precio de ${ TOTAL_SUM } durante los 2 primeros años"],"Billed at ${ TOTAL_SUM } for the first year":["A un precio de ${ TOTAL_SUM } durante el primer año"],"You save ${ SAVE_SUM }":["Ahorras ${ SAVE_SUM }"]},"specialoffer:off":{"${ DISCOUNT } off":["−${ DISCOUNT }"],"${ PERCENT_OFF } off":["−${ PERCENT_OFF }"]},"specialoffer:testimonial":{"I love my ProtonMail":["Adoro ProtonMail"],"My favorite email service":["Mi servicio de correo electrónico favorito"],"Thanks Proton for keeping us all safe in the complicated internet universe.":["Gracias, Proton, por brindarnos protección en este mundo salvaje de Internet."],"You get what you pay for. In the case of big tech, if you pay nothing, you get used. I quit using Gmail and switched to @ProtonMail":["Dan justo lo que prometen. Si las grandes tecnológicas te ofrecen algo gratis, se aprovechan de ti, por eso dejé de usar Gmail y me pasé a @ProtonMail"]},"specialoffer:time":{"Days":["días"],"Hours":["horas"],"Min":["min"]},"specialoffer:title":{"And much more":["Y mucho más"],"Make your inbox yours":["Personaliza tu bandeja de entrada"],"Safe from trackers":["Evita los rastreadores"],"Stay organized":["Mantenlo todo en orden"],"Black Friday email deals":["Ofertas en correo electrónico del Black Friday"],"Don’t just take our word for it":["Lee testimonios de otras personas"],"Our story":["Nuestra historia"],"Transfer your data from Google in one click":["Transfiere tus datos de Google con un clic"]},"specialoffer:tooltip":{"Access blocked content and browse privately. Includes ${ TOTAL_SERVERS }+ servers in ${ TOTAL_COUNTRIES }+ countries, connect up to 10 devices, access worldwide streaming services, malware and ad-blocker, and more.":["Accede a contenido bloqueado y navega con privacidad. Incluye ${ TOTAL_SERVERS } servidores en más de ${ TOTAL_COUNTRIES } países. Conecta hasta 10 dispositivos, acceder a servicios de streaming de todo el mundo, dispón de la protección de bloqueadores de malware y anuncios, etc."],"Easily share your calendar with your family, friends or colleagues, and view external calendars.":["Comparte tu calendario con familiares, amigos y compañeros fácilmente y consulta calendarios externos."],"Includes support for 1 custom email domain, 10 email addresses, 10 hide-my-email aliases, calendar sharing, and more.":["Incluye compatibilidad con 1 dominio de correo electrónico personalizado, 10 direcciones de correo electrónico, 10 alias de hide-my-email, posibilidad de compartir calendario, etc."],"Includes support for 3 custom email domains, 15 email addresses, unlimited hide-my-email aliases, calendar sharing, and more.":["Incluye compatibilidad con 3 dominios de correo electrónico personalizado, 15 direcciones de correo electrónico, alias ilimitados de hide-my-email, posibilidad de compartir calendario, etc."],"Manage up to 25 calendars, mobile apps, secured with end-to-end encryption, 1-click calendar import from Google, and more.":["Gestiona hasta 25 calendarios protegidos con cifrado de extremo a extremo y con opción, por ejemplo, de importar los de Google con un solo clic."]},"Status Banner":{"At the moment we are experiencing issues with the Proton VPN service":["Hay problemas con el servicio de Proton VPN en estos momentos"],"Learn more":["Más información"]},"Status banner":{"Learn more":["Más información"],"Please note that at the moment we are experiencing issues with the ${ issues[0] } service.":["Ten presente que, en estos momentos, el servicio de ${ issues[0] } está dando problemas de funcionamiento."],"We are experiencing issues with one or more services at the moment.":["Uno o varios servicios están dando problemas de funcionamiento en estos momentos."]},"suggestions":{"Suggestions":["Sugerencias"]},"Support":{"Sub category":["Subcategoría","Subcategorías"]},"Support article":{"${ readingTime } min":["${ readingTime } min","${ readingTime } min"],"Category":["Categoría","Categorías"],"Didn’t find what you were looking for?":["¿No has encontrado lo que buscabas?"],"General contact":["Contacto para consultas generales"],"Get help":["Obtener ayuda"],"Legal contact":["Contacto para cuestiones legales"],"Media contact":["Contacto para prensa y medios de comunicación"],"Partnerships contact":["Contacto para colaboraciones"],"Reading":["Lectura"]},"Support categories":{"Browse Proton product support":["Consulta la página de asistencia para productos de Proton"]},"Support category":{"There is no article in this category yet.":["No hay ningún artículo aún en esta categoría."]},"Support troubleshooting":{"--- Select ---":["--- Selecciona ---"],"App version":["Versión de la aplicación"],"Browser":["Navegador"],"Check if this helps":["Comprueba a ver si te sirve"],"Choose a category for your question":["Elige la categoría de tu consulta"],"Choose a product":["Elegir producto"],"Did this solve your issue ?":["¿Te ha resultado útil para resolver el problema?"],"Faster assistance is just a few clicks away — please make your selections":["Haz unos cuantos clics para obtener ayuda más rápidamente. Haz tu selección."],"No, contact support":["No, contactar con el equipo de asistencia"],"Proton account":["Cuenta de Proton"],"Proton Bridge":["Proton Bridge"],"Proton Calendar":["Proton Calendar"],"Proton Drive":["Proton Drive"],"Proton for Business":["Proton for Business"],"Proton Mail":["Proton Mail"],"Proton Pass":["Proton Pass"],"Proton VPN":["Proton VPN"],"Thank you for your feedback":["Gracias por tus comentarios"],"Troubleshooting":["Solución de problemas"],"What can we help with ?":["¿Cómo podemos ayudarte?"],"Yes":["Sí"]},"support_modal_search_query":{"Search query":["Consulta de búsqueda"]},"support_search_button":{"Search":["Buscar"]},"support_search_i_am_looking_for":{"I'm looking for":["Busco"]},"SupportForm":{"For a faster resolution, please report the issue from the Bridge app: Help > Report a problem.":["Para una resolución más rápida, informa del problema desde la aplicación Bridge: Ayuda > Notificar un problema."],"Information":["Información"]},"SupportForm:option":{"Account Security":["Seguridad de la cuenta"],"Contacts":["Contactos"],"Custom email domain":["Dominio de correo electrónico personalizado"],"Email delivery and Spam":["Envío de correos electrónico y spam"],"Encryption":["Cifrado"],"Login and password":["Inicio de sesión y contraseña"],"Merge aliases and accounts":["Fusionar seudónimos y cuentas"],"Migrate to Proton":["Migrar a Proton"],"Notifications":["Notificaciones"],"Other":["Otro"],"Plans and billing":["Planes y facturación"],"Proton for Business":["Proton for Business"],"Sign up":["Regístrate"],"Storage":["Almacenamiento"],"Users, addresses, and identities":["Usuarios, direcciones e identidades"]},"SupportForm:optionIntro":{"Select a topic":["Selecciona un tema"]},"swiss_baseed_feature":{"Swiss based":["Con sede en Suiza"]},"Testimonial":{"Awards":["Premios"],"Customers":["Clientes"],"Featured":["Destacado"],"Go to testimonial source":["Ir a la fuente del testimonio"],"Reviews":["Opiniones"],"Videos":["Vídeos"]},"Text":{"Find the plan that's right for you":["Encuentra el plan más adecuado para tus necesidades"],"If you need help, check out our ${ supportLink }.":["Si necesitas ayuda, consulta nuestra ${ supportLink }."],"The page you’re looking for might have been removed, or it could be an\nold link.":["Es posible que la página que buscas haya sido eliminada o que sea un\nenlace antiguo."]},"Title":{"On this page":["En esta página"],"Related articles":["Artículos relacionados"],"Share ${ thisPage }":["Compartir ${ thisPage }"],"Thank you!":["¡Gracias!"],"this page":["esta página"]},"Tooltip":{"More information":["Más información"]},"tooltip_calendar":{"Create up to 20 custom & shareable encrypted calendars. On top of that, add up to 5 calendars from friends, family, colleagues, and organizations.":["Crea hasta 20 calendarios personalizados y cifrados que puedes compartir con otras personas, y añade además hasta 5 calendarios de amigos, familiares, compañeros y organizaciones."]},"tooltip_vpn":{"Access blocked content and browse privately. Includes ${ TOTAL_SERVERS }+ servers in ${ TOTAL_COUNTRIES }+ countries, highest VPN speed, ${ TOTAL_VPN_CONNECTIONS } VPN connections, worldwide streaming services, malware and ad-blocker, and more.":["Accede a contenido bloqueado y navega en privado. Tendrás a tu disposición más de ${ TOTAL_SERVERS } servidores en más de ${ TOTAL_COUNTRIES } países, VPN de máxima velocidad, ${ TOTAL_VPN_CONNECTIONS } conexiones VPN, servicios de streaming en todo el mundo, bloqueadores de malware y de anuncios, y mucho más."],"Access blocked content and browse privately. Includes ${ TOTAL_SERVERS }+ servers in ${ TOTAL_COUNTRIES }+ countries, highest VPN speed, 10 VPN connections, worldwide streaming services, malware and ad-blocker, and more.":["Accede a contenido bloqueado y navega en privado. Tendrás a tu disposición más de ${ TOTAL_SERVERS } servidores en más de ${ TOTAL_COUNTRIES } países, VPN de máxima velocidad, 10 conexiones VPN, servicios de streaming en todo el mundo, bloqueadores de malware y de anuncios, y mucho más."]},"version_history_label":{"Version history":["Historial de versiones"]},"version_history_tooltip":{"Store up to ${ versionHistoryNumber } versions of each file for up to ${ years } years":["Almacena hasta ${ versionHistoryNumber } versiones de cada archivo durante ${ years } años como máximo"]},"vpn_features_link":{"View VPN plans":["Ver planes de VPN"]},"vpn_features_useCase":{"Access blocked content and browse privately":["Accede a contenido bloqueado y navega con privacidad"]}}},"unleashApi":"https://account.proton.me/api"};
// We need to import data (the framework context) from the server
// This Astro feature with define:vars works well but creates an inline script
// So we can't directly import the initFramework helper, we have to store the context
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When you encrypt files on your computer, it’s like storing them in a vault: Only someone with the correct key can access them. That’s useful if you’re concerned about hackers stealing your most sensitive documents or companies scanning your data for advertising.
In this how-to guide, we’ll show you the easiest ways to encrypt your files on Windows, Mac, iOS, and Android. We’ll also explain how you can encrypt your files on the cloud and then access them on any device.
Modern computing is possible because of encryption. It’s the reason you can buy things online and share photos privately with friends. But much of the encryption used online isn’t as secure as you might think. When you share a picture using Google Photos, the company can see it. When you upload something to Dropbox, the company can see it. And if the government requests your data or uses mass surveillance to monitor you, your files may not be private.
Luckily there are other types of encryption that can prevent even the most data-hungry companies like Google and Facebook from accessing your files. That’s the kind of encryption we’re talking about in this article.
We won’t go into the technical details of end-to-end encryption or symmetric encryption(new window) here (you can learn more about them by following those links). But the encryption methods described below are designed to prevent any third parties from accessing your files.
There are many times when encrypted file storage is useful, including:
Backing up sensitive documents, such as tax filings or identity documents
Storing workplace documents or data covered by privacy regulations, such as the GDPR or HIPAA
Keeping your most important documents safe in case your device is hacked or lost
Sharing files over the internet or storing them in the cloud
Reducing the amount of personal information you share with companies like Google, Facebook, Dropbox, and Microsoft
How to encrypt files with Windows
Encrypting individual files in Windows is simple. It’s just a matter of right-clicking on the file or folder you want to encrypt and following the instructions below. (Note that this feature is not available for Windows 10 Home.)
Right-click or press and hold the file or folder you want to encrypt. Select Properties.
Click the Advanced… button and check the box next to Encrypt contents to secure data.
Select OK to close the Advanced Attributes window and then select Apply.
There’s no single method to encrypt individual files on your Mac because different file types have different steps. In fact, the easiest way to encrypt a file on your Mac is to move it to a folder and encrypt the folder.
Here’s how:
Move the file or files you want to encrypt to a new or existing folder. Make sure you want to encrypt all the files in this folder.
Next, go to Finder → Applications → Utilities.
Open Disk Utility.
In the Disk Utility application, select File from the top menu and select New Image → Image from Folder.
Select the folder you want to encrypt and click on Choose.
In the window that pops up, choose the kind of encryption you want to use. (Both 128-bit and 256-bit encryption are secure options.) Then enter a password. Do not lose this password. If you do not have your password, it will be impossible to recover your files. Click on Choose when you’re finished.
Next to Image Format, select Read/Write and click on Save.
To access the folder again, double-click it and enter your password.
How to encrypt files on an Android
Android devices don’t come with built-in encryption capabilities for individual files, and most third-party encryption apps for Android are not user friendly. The easiest way to encrypt files on your Android device is with encrypted cloud storage.
Here’s how to secure your files with end-to-end encryption using Proton Drive:
Open the Proton Drive app and log in using your Proton Drive username and password. If you don’t have a Proton Account, you can sign up for free.
Tap Files at the bottom or tap the hamburger menu (☰) and select My files.
Tap (+) at the top right and select Upload a file from the dropdown menu.
Select the photos or files you want to upload and tap Open.
Note: This process creates an encrypted copy of your file in your Proton Drive account but does not encrypt the file stored on your device. You’ll need to delete the local file after ensuring the copy is properly stored in Proton Drive.
How to encrypt files on an iPhone
Apple iPhones also don’t have a built-in way to encrypt individual files. It’s very easy to encrypt your entire device, though. Just go to Settings and select Face ID & Passcode. From there you can enable Face ID and a passcode for your device. However, this option doesn’t necessarily encrypt all your files if you back up your data to iCloud or share data with apps such as Google Maps or social media.
The most secure way to encrypt files on your iPhone is with encrypted cloud storage. Here’s how to use Proton Drive in iOS:
Open the Proton Drive app and log in using your Proton Drive username and password. If you don’t have a Proton Account, you can sign up for free.
Tap Files at the bottom or tap the hamburger menu (☰) and select My files.
Tap (+) at the top right and select Upload a photo or Import file from the dropdown menu.
Tap files to upload them or select photos to upload and tap Add.
Note: This process creates an encrypted copy of your file in your Proton Drive account but does not encrypt the file stored on your device. You will need to delete the local file after ensuring the copy is properly stored in Proton Drive.
Benefits of encrypted cloud storage
For Android and iOS, there aren’t many great options for encrypting individual files locally on your device. That’s why we recommend using Proton Drive for encrypted cloud storage. But there are benefits for using cloud encryption, and we recommend it for Windows and Mac as well. You can use Proton Drive on Windows and Mac devices by logging in to drive.proton.me(new window) in your web browser.
With Proton Drive, your files are encrypted on your device before they’re sent to the cloud — so not even Proton can access them. From there, you’ll be able to access your encrypted files from any device by logging in to your Proton Account on the web or through our Android or iOS app.
Apart from end-to-end encryption, Proton Drive has the added benefit of secure file sharing.
Share large files for free
If you’ve ever tried and failed to attach a large video or multiple photos to an email, you know the hassle of file size limits. With encrypted cloud storage, you can first upload large files to your account and then share them with your recipient from there. Proton Drive lets you securely send large files for free, with no limit on the size of the file you upload.
Secure link sharing
Most storage services allow you to share files by generating a link. This is also true for Proton Drive. Once you’ve uploaded a file, you can share it with anyone using secure link sharing. The files remain end-to-end encrypted, and anyone with the link can download the file.
Password-protected files
If you’re sending a file with a sharing link but want to add an extra layer of protection, you can use password-protected file sharing. Just create a sharing link, turn on password protection, and set a password. In Proton Drive, you can also set the link to expire after a period of time.
FAQ
How do I encrypt a file with a password?
In Windows, right-click the file you want to encrypt and select Properties. Select the Advanced… button and check the Encrypt contents box to secure your file. In Mac, you’ll need to open the Disk Utility application and go to File → New Image → Image from Folder and select the folder you want to encrypt. Then select your preferred encryption and set a password.
What is the most secure way to encrypt a file?
Using AES encryption on your device or an end-to-end encrypted cloud storage service, like Proton Drive, will ensure that only you can decrypt your files with your password.
How do I encrypt a PDF file?
How to encrypt a PDF file in Acrobat: – Open the PDF in Acrobat and go to Tools → Protect → More Options → Encrypt with Password. – Under Document Open, check the box next to Require a password to open the document. – Under Options, select the version of Acrobat that will be required to open the document. Acrobat X is recommended. – Welect what you want to be encrypted: the contents or the contents and metadata. – Click OK. Learn more about encrypting PDFs
What does it mean to encrypt a file?
File encryption is the process of converting readable data into unreadable ciphertext. It can only be restored to readable data using a private key.
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