https://www.aspose.info/email/Recent content in Learn about Email File Formats and APIs that can open and create Email files on aspose.infoHugoenMon, 31 Jan 2022 00:00:00 +0000https://www.aspose.info/email/p7s/Mon, 31 Jan 2022 00:00:00 +0000https://www.aspose.info/email/p7s/<h2 id="what-is-a-p7s-file">What is a P7S file?<a class="anchor" href="#what-is-a-p7s-file" aria-label="Copy link to this section"></a></h2> <p>A P7S file is a digital signature that is received with a digitally signed email. The presence of this file as an attachment with the email verifies that the email is sent from an authentic source. This ensures that the sender has an Email Signing certificate installed on their computer. When such a signed email is sent from user&rsquo;s computer, the P7S file is attached with it that contains the name of the sender. Email clients supporting signed emails can see the sender&rsquo;s information.</p>https://www.aspose.info/email/edb/Fri, 11 Oct 2019 00:00:00 +0000https://www.aspose.info/email/edb/<h2 id="what-is-an-edb-file">What is an EDB file?<a class="anchor" href="#what-is-an-edb-file" aria-label="Copy link to this section"></a></h2> <p>A file with .edb file extension is mailbox database created by Microsoft Exchange Server to store mail-related data. EDB, Exchange Database, stores messages that are in-process and non-SMTP. EDB are also known as Extensible Storage Engine (ESE) Database files and store files using b-tree structure. Being storage files, EDB files can be converted into other mail storage file formats such as <a href="https://www.aspose.info/email/pst/">PST</a> and <a href="https://www.aspose.info/email/ost/">OST</a>.</p>https://www.aspose.info/email/eml/Fri, 11 Oct 2019 00:00:00 +0000https://www.aspose.info/email/eml/<h2 id="what-is-an-eml-file">What is an EML file?<a class="anchor" href="#what-is-an-eml-file" aria-label="Copy link to this section"></a></h2> <p>EML file format represents email messages saved using Outlook and other relevant applications. Almost all emailing clients support this file format for its compliance with RFC-822 Internet Message Format Standard. Microsoft Outlook is the default software for opening EML message types. EML files can be used for saving to disc as well as sending out to recipients using communication protocols.</p>https://www.aspose.info/email/emlx/Fri, 11 Oct 2019 00:00:00 +0000https://www.aspose.info/email/emlx/<h2 id="what-is-an-emlx-file">What is an EMLX file?<a class="anchor" href="#what-is-an-emlx-file" aria-label="Copy link to this section"></a></h2> <p>The EMLX file format is implemented and developed by Apple. The Apple Mail application uses the EMLX file format for exporting the emails. There are other applications as well that can open the EMLX files and convert these to other file formats.</p> <h2 id="brief-history-of-emlx-file-format">Brief History of EMLX File Format<a class="anchor" href="#brief-history-of-emlx-file-format" aria-label="Copy link to this section"></a></h2> <p>Mac OS X operating system adopted the existing email program, NeXTMail, created by NeXT as part of the NeXTSTEP operating system. Apple after acquiring NeXT uplifted its features and it became the now Apple Mail email application to be used as default mail client. Emails exported via Apple Mail are directly saved as EMLX files. In addition, it is the default mail client for EMLX files when someone opens these by double-clicking on Mac OS.</p>https://www.aspose.info/email/ics/Fri, 11 Oct 2019 00:00:00 +0000https://www.aspose.info/email/ics/<h2 id="what-is-an-ics-file">What is an ICS file?<a class="anchor" href="#what-is-an-ics-file" aria-label="Copy link to this section"></a></h2> <p>The Internet Calendaring and Scheduling Core Object Specification (iCalendar) is an internet standard(RFC 2445) for exchanging and deploying the calendaring events and scheduling.  The iCalendar format is interoperable, thereby ensuring the exchange of calendar information among the users having different email applications. iCalendar formats the input data as a Multipurpose Internet Mail Extensions (MIME) and facilitates the object exchanged via different transport protocols. These transport protocols can be SMTP, HTTP, point-to-point asynchronous communication, and physical media based-network transport.</p>https://www.aspose.info/email/mbox/Fri, 11 Oct 2019 00:00:00 +0000https://www.aspose.info/email/mbox/<h2 id="what-is-an-mbox-file">What is an MBOX file?<a class="anchor" href="#what-is-an-mbox-file" aria-label="Copy link to this section"></a></h2> <p>MBox file format is a generic term that represents a container for collection of electronic mail messages. The messages are stored inside the container along with their attachments. Messages from an entire folder are saved in a single database file and new messages are appended to the end of the file. Numerous applications and API provide support for MBox file format such as Apple Mail and Mozilla Thunderbird.</p>https://www.aspose.info/email/msg/Fri, 11 Oct 2019 00:00:00 +0000https://www.aspose.info/email/msg/<h2 id="what-is-a-msg-file">What is a MSG file?<a class="anchor" href="#what-is-a-msg-file" aria-label="Copy link to this section"></a></h2> <p>MSG is a file format used by <a href="https://products.office.com/en-us/outlook/email-and-calendar-software-microsoft-outlook?rtc#1">Microsoft Outlook</a> and Exchange to store email messages, contact, appointment, or other tasks. Such messages may contain one or more email fields, with the sender, recipient, subject, date, and message body, or contact information, appointment particulars, and one or more task specifications. The properties that constitute the Message object, including are also a part of the MSG file.  MSG file has headers, main message body, and hyperlinks as plain ASCII text. MSG files are also suitable with the programs that need Microsoft&rsquo;s Messaging Applications Programming Interface (MAPI).</p>https://www.aspose.info/email/oft/Fri, 11 Oct 2019 00:00:00 +0000https://www.aspose.info/email/oft/<h2 id="what-is-an-oft-file">What is an OFT file?<a class="anchor" href="#what-is-an-oft-file" aria-label="Copy link to this section"></a></h2> <p>Files with .oft extension are template files that are created using Microsoft Outlook. The pre-formatted layout set for message templates is then used for sending out emails with common information to save time. Such files can be generated by creating a new email, adding necessary information and then using the Save As Office Template (.oft) dropdown from Microsoft Outlook. Users can open the OFT files by double clicking on it and it will open in associated application on that particular system.</p>https://www.aspose.info/email/olm/Fri, 11 Oct 2019 00:00:00 +0000https://www.aspose.info/email/olm/<h2 id="what-is-an-olm-file">What is an OLM file?<a class="anchor" href="#what-is-an-olm-file" aria-label="Copy link to this section"></a></h2> <p>A file with .olm extension is a Microsoft Outlook file for Mac Operating System. An OLM file stores email messages, journals, calendar data, and other types of application data. These are similar to <a href="https://www.aspose.info/email/pst/">PST</a> files used by Outlook on Windows Operating System. However, OLM files created by Outlook for Mac can’t be opened in Outlook for Windows. The OLM file format was introduced with Outlook 2011 to store local data of Outlook. A single OLM file can contain multiple mailboxes, organising the data in the form of folders and subfolders. OLM files can be opened/loaded in Microsoft Outlook 365 and Outlook for Mac.</p>https://www.aspose.info/email/ost/Fri, 11 Oct 2019 00:00:00 +0000https://www.aspose.info/email/ost/<h2 id="what-is-an-ost-file">What is an OST file?<a class="anchor" href="#what-is-an-ost-file" aria-label="Copy link to this section"></a></h2> <p>OST or Offline Storage Files represent user&rsquo;s mailbox data in offline mode on local machine upon registration with Exchange Server using Microsoft Outlook. It is automatically created on the first use of Microsoft Outlook upon connectivity with server. Once the file is created, the data is synchronized with the email server so that it is available offline as well in case of disconnectivity from email server. OST files can user mailbox items such as emails, contacts, calendar information, notes, tasks and other similar data. Users can create emails and other data items in OST file even in the absence of connection to the server, but these will not be synchronized with the server. Once the connection is established, the local file is synchronized with the server again so that both the server and the local copy are at the same level of information.</p>https://www.aspose.info/email/pst/Fri, 11 Oct 2019 00:00:00 +0000https://www.aspose.info/email/pst/<h2 id="what-is-a-pst-file">What is a PST file?<a class="anchor" href="#what-is-a-pst-file" aria-label="Copy link to this section"></a></h2> <p>Files with .pst extension represent Outlook Personal Storage Files (also called Personal Storage Table) that store variety of user information. User information is stored in folders of different types that include emails, calendar items, notes, contacts, and several other file formats. PST files are used for archiving emailing data offline that can be later loaded and viewed in various applications.</p>https://www.aspose.info/email/rpmsg/Fri, 11 Oct 2019 00:00:00 +0000https://www.aspose.info/email/rpmsg/<h2 id="what-is-a-rpmsg-file">What is a RPMSG file?<a class="anchor" href="#what-is-a-rpmsg-file" aria-label="Copy link to this section"></a></h2> <p>An RPMSG file is an encrypted email message created with email client applications Microsoft Outlook, Microsoft&rsquo;s email and calendar application. It is sent as a separate attachment to standard email messages and can only be opened by certain users. This restricts access of these files to other users whom are not destined to receive the information in these files. Generally these files are sent with filename message.rpmsg and can be downloaded as well from email, but will not work in this case.</p>https://www.aspose.info/email/tnef/Fri, 11 Oct 2019 00:00:00 +0000https://www.aspose.info/email/tnef/<h2 id="what-is-a-tnef-file">What is a TNEF file?<a class="anchor" href="#what-is-a-tnef-file" aria-label="Copy link to this section"></a></h2> <p>Transport Neutral Encapsulation Format (TNEF) is a Microsoft proprietary, for encapsulating email attachments based on Messaging Application Programming Interface (<strong>MAPI</strong>). Microsoft Outlook and Microsoft Exchange Server, entirely support TNEF while later decodes TNEF into MAPI and displays the formatted mails. An email attachment with TNEF encoding has a MIME type of MS-TNEF and stores as winmail/win.dat. The attachment in winmail .dat encapsulates the following information:</p>https://www.aspose.info/email/vcf/Fri, 11 Oct 2019 00:00:00 +0000https://www.aspose.info/email/vcf/<h2 id="what-is-a-vcf-file">What is a VCF file?<a class="anchor" href="#what-is-a-vcf-file" aria-label="Copy link to this section"></a></h2> <p>VCF (Virtual Card Format) or vCard is a digital file format for storing contact information. The format is widely used for data interchange among popular information exchange applications. Most operating systems such as Windows and MacOS come with default applications to create and open these files. A single VCF file can contain contact information for one or multiple contacts. A VCF file usually contains information such as contact&rsquo;s name, address, phone number, email, birthday, photographs and audio in addition to a number of other fields. Being supported by email clients and services, there is no loss of data during the transfer of contacts via using the vCard format. The media type for VCF file format is text/vcard.</p>