all-in-one privacy solution":["Proton Unlimited ist eine All-in-One-Datenschutzlösung"],"Black Friday":["Black Friday"],"No ads. Privacy by default.":["Keine Werbung. Privatsphäre als Standard."],"People before profits":["Menschen sind uns wichtiger als Gewinne"],"Security through transparency":["Sicherheit durch Transparenz"],"The best Proton Mail ${ BLACK_FRIDAY } deals":["Die besten Proton Mail-Angebote zum ${ BLACK_FRIDAY }"],"The world’s only community- supported email service":["Der weltweit einzige von der Community unterstützte E-Mail-Dienst"]},"specialoffer:limited":{"${ hours } hour":["${ hours } Stunde","${ hours } Stunden"],"${ hoursLeft }, ${ minutesLeft } and ${ secondsLeft } left":["Nur noch ${ hoursLeft }, ${ minutesLeft } und ${ secondsLeft }"],"${ minutes } minute":["${ minutes } Minute","${ minutes } Minuten"],"${ seconds } second":["${ seconds } Sekunde","${ seconds } Sekunden"],"Limited time offer":["Zeitlich befristetes Angebot"]},"specialoffer:listitem":{"Create multiple addresses":["Erstelle mehrere Adressen"],"Hide-my-email aliases":["Hide-my-email-Aliase"],"Quickly unsubscribe from newsletters":["Newsletter schnell abbestellen"],"Use your own domain name":["Verwende deine eigene Domain"]},"specialoffer:logos":{"As featured in":["Vorgestellt in"]},"specialoffer:metadescription":{"Get an encrypted email that protects your privacy":["Nutze einen verschlüsselte E-Mail-Dienst, der deine Privatsphäre schützt"]},"specialoffer:metatitle":{"Proton Mail Black Friday Sale - Up to 40% off":["Proton Mail Black Friday-Angebot – Bis zu 40 % Rabatt"]},"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.":["Erhalte an diesem Black Friday bis zu 40 % Rabatt auf Proton Mail-Abonnements. Mache tolle Schnäppchen bei unseren sicheren, Ende-zu-Ende-verschlüsselten E-Mail-Abonnements."]},"specialoffer:newmetatitle":{"Proton Mail Black Friday sale | Up to 40% off secure email":["Proton Mail-Black-Friday-Angebot | Bis zu 40 % Rabatt auf sichere E-Mails"]},"specialoffer:note":{"* Billed at ${ TOTAL_SUM } for the first year":["* Zum Preis von ${ TOTAL_SUM } im ersten Jahr"],"*Billed at ${ TOTAL_SUM } for the first 2 years":["*Zum Preis von ${ TOTAL_SUM } in den ersten zwei Jahren"],"30-day money-back guarantee":["30-tägige Geld-zurück-Garantie"],"Billed at ${ TOTAL_SUM } for the first 2 years":["Zum Preis von ${ TOTAL_SUM } in den ersten zwei Jahren"],"Billed at ${ TOTAL_SUM } for the first year":["Zum Preis von ${ TOTAL_SUM } im ersten Jahr"],"You save ${ SAVE_SUM }":["Du sparst ${ SAVE_SUM }"]},"specialoffer:off":{"${ PERCENT_OFF } off":["− ${ PERCENT_OFF }"]},"specialoffer:testimonial":{"I love my ProtonMail":["Ich liebe mein ProtonMail"],"My favorite email service":["Mein Lieblings-E-Mail-Dienst"],"Thanks Proton for keeping us all safe in the complicated internet universe.":["Danke Proton, dass du uns alle im komplizierten Internet-Universum beschützt."],"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":["Du bekommst, wofür du bezahlst. Wenn du nichts bezahlst, wirst du bei der Nutzung von Big Tech ausgenutzt. Ich habe Gmail aufgegeben und bin zu @ProtonMail gewechselt"]},"specialoffer:time":{"Days":["Tage"],"Hours":["Stunden"],"Min":["Min."]},"specialoffer:title":{"And much more":["Und vieles mehr"],"Safe from trackers":["Sicher vor Trackern"],"Stay organized":["Ordnung halten"],"Black Friday email deals":["E-Mail-Angebote zum Black Friday"],"Don’t just take our word for it":["Verlasse dich nicht nur auf unser Wort"],"Make your inbox yours":["Passe deinen Posteingang an"],"Our story":["Unsere Geschichte"],"Transfer your data from Google in one click":["Übertrage deine Daten von Google mit einem Klick"]},"specialoffer:tooltip":{"Access blocked content and browse privately. Includes ${ TOTAL_VPN_SERVERS }+ servers in ${ TOTAL_VPN_COUNTRIES }+ countries, connect up to 10 devices, access worldwide streaming services, malware and ad-blocker, and more.":["Greife auf blockierte Inhalte zu und surfe privat. Umfasst ${ TOTAL_VPN_SERVERS } Server in über ${ TOTAL_VPN_COUNTRIES } Ländern, die Verbindung \nvon bis zu 10 Geräten, weltweite Streaming-Dienste, Malware- und Werbeblocker und mehr."],"Easily share your calendar with your family, friends or colleagues, and view external calendars.":["Teile deinen Kalender ganz einfach mit Verwandten, Freunden oder Kollegen und rufe externe Kalender auf."],"Includes support for 1 custom email domain, 10 email addresses, 10 hide-my-email aliases, calendar sharing, and more.":["Beinhaltet Unterstützung für eine eigene E-Mail-Domain, 10 E-Mail-Adressen, 10 „hide-my-email“-Aliasse, Kalenderfreigabe und mehr."],"Includes support for 3 custom email domains, 15 email addresses, unlimited hide-my-email aliases, calendar sharing, and more.":["Beinhaltet Unterstützung für 3 benutzerdefinierte E-Mail-Domänen, 15 E-Mail-Adressen, unbegrenzte „hide-my-email“-Aliase, Kalenderfreigabe und mehr."],"Manage up to 25 calendars, mobile apps, secured with end-to-end encryption, 1-click calendar import from Google, and more.":["Verwalte bis zu 25 Kalender, Ende zu Ende verschlüsselte mobile Apps, 1-Klick-Kalenderimporte von Google und vieles mehr."]},"Status banner":{"Learn more":["Mehr erfahren"],"Please note that at the moment we are experiencing issues with the ${ issues[0] } service.":["Bitte beachte, dass wir im Moment Probleme mit dem Dienst ${ issues[0] } haben."],"We are experiencing issues with one or more services at the moment.":["Im Moment gibt es Probleme mit einem oder mehreren Diensten."]},"Status Banner":{"At the moment we are experiencing issues with the Proton VPN service":["Im Moment gibt es Probleme mit dem Proton VPN-Dienst"],"Learn more":["Mehr erfahren"]},"steps":{"Step":["Schritt"]},"suggestions":{"Suggestions":["Vorschläge"]},"Support":{"Sub category":["Unterkategorie","Unterkategorien"]},"Support article":{"${ readingTime } min":["${ readingTime } Min.","${ readingTime } Min."],"Category":["Kategorie","Kategorien"],"Didn’t find what you were looking for?":["Hast du nicht gefunden, wonach du gesucht hast?"],"General contact":["Allgemeiner Kontakt"],"Get help":["Hilfe erhalten"],"Legal contact":["Kontakt für Rechtliches"],"Media contact":["Kontakt für Medien"],"Partnerships contact":["Kontakt für Partnerschaften"],"Reading":["Lesen"]},"Support Form Platform option":{"VPN for Android TV":["VPN für Android TV"],"VPN for Apple TV":["VPN für Apple TV"],"VPN for Chromebook":["VPN für Chromebook"]},"Support troubleshooting":{"App version":["App-Version"],"Browser":["Browser"],"Check if this helps":["Schau, ob das hilft."],"Choose a product":["Produkt auswählen"],"Did this solve your issue?":["Hat dies dein Problem gelöst?"],"Faster assistance is just a few clicks away":["Schnellere Hilfe ist nur ein paar Klicks entfernt"],"How can we help?":["Wie können wir dir helfen?"],"No, contact support":["Nein, Support kontaktieren"],"Please fill out one field after another":["Bitte fülle ein Feld nach dem anderen aus"],"Please make your selections":["Bitte triff deine Auswahl"],"Proton account":["Proton-Konto"],"Proton for Business":["Proton for Business"],"Thank you for your feedback":["Danke für dein Feedback"],"What can we help with?":["Wobei können wir dir helfen?"],"Yes":["Ja"]},"support_modal_search_query":{"Search query":["Anfrage suchen"]},"support_search_button":{"Search":["Suchen"]},"support_search_i_am_looking_for":{"I'm looking for":["Ich suche"]},"SupportForm":{"For a faster resolution, please report the issue from the Bridge app: Help > Report a problem.":["Damit das Problem schneller gelöst werden kann, melde es bitte über die Bridge-App: Help > Report a problem (Hilfe > Problem melden)."],"Information":["Informationen"]},"SupportForm:option":{"Account Security":["Kontosicherheit"],"Contacts":["Kontakte"],"Custom email domain":["Benutzerdefinierte E-Mail-Domain"],"Email delivery and Spam":["E-Mail-Zustellung und Spam"],"Encryption":["Verschlüsselung"],"Login and password":["Anmeldung und Passwort"],"Merge aliases and accounts":["Zusammenführung von Aliassen und Konten"],"Migrate to Proton":["Migration zu Proton"],"Notifications":["Benachrichtigungen"],"Other":["Sonstiges"],"Plans and billing":["Abonnements und Abrechnung"],"Proton for Business":["Proton for Business"],"Sign up":["Registrierung"],"Storage":["Speicher"],"Users, addresses, and identities":["Benutzer, Adressen und Identitäten"]},"SupportForm:optionIntro":{"Select a topic":["Thema auswählen"]},"Testimonial":{"Awards":["Auszeichnungen"],"Customers":["Kunden"],"Featured":["Empfohlen"],"Go to testimonial source":["Zur Referenzquelle wechseln"],"Open source of award":["Quelle der Auszeichnung öffnen"],"Open source of quote":["Quelle des Zitats öffnen"],"Reviews":["Bewertungen"],"Videos":["Videos"],"Watch on TikTok":["Auf TikTok ansehen"],"Watch on YouTube":["Auf YouTube ansehen"]},"TestimonialCategory":{"Awards":["Auszeichnungen"],"Customers":["Kunden"],"Featured":["Empfohlen"],"Media":["Medien"],"Reviews":["Bewertungen"],"Videos":["Videos"]},"Text":{"If you need help, check out our ${ supportLink }.":["Hilfe erhältst du in unserem ${ supportLink }."],"The page you’re looking for might have been removed, or it could be an\nold link.":["Die von dir gesuchte Seite wurde möglicherweise entfernt, oder es könnte sich um einen alten Link handeln."],"Your question may already have an answer in our knowledge base:":["Vielleicht gibt es bereits eine Antwort auf deine Frage in unserer Wissensdatenbank:"]},"Title":{"On this page":["Auf dieser Seite"],"Related articles":["Verwandte Artikel"],"Share ${ thisPage }":["${ thisPage } teilen"],"Switch to Proton Pass - Contact us":["Zu Proton Pass wechseln – Kontaktiere uns"],"Thank you!":["Vielen Dank!"],"this page":["diese Seite"]},"tooltip_vpn":{"Access blocked content and browse privately. Includes ${ TOTAL_VPN_SERVERS }+ servers in ${ TOTAL_VPN_COUNTRIES }+ countries, highest VPN speed, ${ TOTAL_VPN_CONNECTIONS } VPN connections, worldwide streaming services, malware and ad-blocker, and more.":["Greife auf blockierte Inhalte zu und surfe privat. 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Proton Mail uses zero-access encryption to store all emails at rest, and emails sent between Proton Mail users are fully end-to-end encrypted. So we can’t read the contents of your emails.
To preserve this level of privacy, we’ve created a search function that allows you to search your emails without giving our servers access to your messages.
Learn how to search your messages privately to find that one email you’re looking for.
Searching email content with the Proton Mail web app
You can search the contents of your encrypted emails without giving Proton Mail access to those messages. We achieve this in the web app by creating a local index of your emails and storing it using your browser’s web storage(neues Fenster).
When you perform a content search in the web app, Proton Mail goes through the index of your downloaded emails and highlights all matches, so your emails do not need to be searched on our servers. Your emails remain private and secure, as the emails are searched locally on your device.
How to enable search message content
In the Proton Mail web app, click in the Search messages box at the top.
Click Enable.
Click Enable to confirm. Your messages will then be downloaded from Proton Mail’s servers, decrypted, and indexed locally in an encrypted state.
This process may take a few minutes and can be quite resource-intensive.
Click Pause if you want to pause indexing and resume later. You can still perform a standard search (not including message content) while indexing is in progress by clicking Search.To further refine your search, click More search options.
Note: If you’ve indexed your message content before but used a different browser, you’ll need to create a new index by following these steps again.
Once the indexing is complete, you can search for one or more keywords in the search bar, which will return results that include the contents of your messages.
Note:
Your index will be updated automatically — new emails will be added regularly as long as your browser is open.
If you haven’t used your browser for some time, the index might need a few seconds to update before you can search message content again.
If your mailbox is very large, you can speed up searches by disabling search message content. The index won’t be erased if you do this.
In rare cases, the contents of a large inbox may require more storage capacity than your browser offers.
If so, a date will be displayed showing how far back in time you can search the contents of your encrypted messages. Because the index size is limited by your browser’s web storage capacity, this date will be updated as new emails arrive in your inbox to ensure the most recent messages can be searched.
How to disable search message content
To temporarily disable email search:
Click in the Search messages box at the top.
Turn off the Search message content switch.
To delete the index of your emails from your web storage, you need to clear your browser data by clicking Settings → Clear browser data.
If you want to search the contents of your messages again, you’ll need to enable search message content again by following the steps above.
Troubleshooting content search
You may see the following error messages:
Content search cannot be enabled in this browser. Please try another browser.
Your browser doesn’t support web storage. Please use one of our recommended browsers instead.
Please activate your content search again.
Your index is no longer valid or has been corrupted. To rebuild the index:
1. Clear your browser data by clicking Settings → Clear browser data.
You can also search the contents of your emails on your desktop device by decrypting your messages and downloading them to a third-party email client with Proton Mail Bridge.
You can then search your message contents locally using your email client’s built-in search functions.
Advanced search in Proton Mail
You can use the advanced search feature in the Proton Mail web app to search your emails by:
Subject (by searching for a keyword that is in the subject of the email)
Download Proton Mail Bridge to search within the third-party email client of your choice
How to use advanced search
To perform an advanced search in the Proton Mail web app, click in the Search messages box and select More search options.
The advanced search fields include:
Search messages: Enter your search keywords here.
Search in tabs: Choose whether to search within All mail, or your Inbox, Drafts, or Sent folders. Select the Other dropdown menu to choose another folder in your account, such as Starred, Archive, or a custom folder.
Date From and To fields: Search for emails sent or received within a specific time frame.
Sender and Recipient fields: Search for emails sent from or received by a specific person by searching their name or email address.
Address: Choose All or a specific address to include in your search.
Choose any combination of the above fields and click the Search button.
For example, you can look for emails in your inbox received within a specific time period, from a particular sender, with certain keywords in the subject (or contents if you’ve enabled search message content).
How to search using advanced syntax
Proton Mail also supports complex searches using advanced syntax for power users. Advanced search syntax works in the Proton Mail web app and our mobile apps for Android and iPhone/iPad.
But you can’t use advanced syntax to search message content. To use advanced syntax, you need to disable search message content.
Special characters can be used to execute complex logic when performing searches on your message metadata (the Subject, To/CC/BCC, and From fields). The logical AND is implicit between any two search keywords (searching for “hello world” means match “hello” AND “world”). The other search operators are listed in the table below.
Name
Operator
Example
Example Explanation
Logical OR
|
hello | world
Matches text containing hello or world
Logical NOT
! or –
hello !world
Matches text with hello but not world
Grouping
()
(cat -dog) | (cat mouse)
Matches text with cat and without dog or cat with mouse
Phrase
“”
“hello world”
Matches text with the keywords adjacent and ordered, such as hello world and hello world and universe but not hello brave new world. You may use * as a word placeholder — hello * * world would match hello brave new world
Proximity
“”~N
“hello world”~10
Matches text containing hello and world with less than 10 words between them
Quorum
“”/N
“hello dear world”/2
Matches text with at least 2 of the 3 words, such as hello dear and hello world. hello there would not match, but hello there world would
Order
“<<
hello << world
Matches text with hello and world only if they appear in the specified order. hello world would match but world hello would not
Start
^
^hello
Matches text that begins with hello, such as hello world but not say hello
End
$
world$
Matches text that ends with world, such as hello world, but not world peace
Wildcards
* and ?
h?llo w*d
The ? operator matches any single character, while * matches zero or more characters. The example search would match hello world as well as hallo word