Thunderbird is a free, open source email, newsgroup, news feed and chat (XMPP, IRC, Twitter) client created by the Mozilla Foundation. The project stratagem is modeled after Mozilla Firefox, a project aimed at generating a Web browser. The vanilla version is not a personal information manager, although the Mozilla Lightning extension adds PIM functionality. Additional features, if desired, are often available thru other extensions. It supports UNIX mailbox format (mbox), Mork which is utilized for internal database and SQLite also used for internal database (since version 3). Files that bear the .p7s extension are email messages utilized in email managing programs for sending, receiving or just simply viewing protected emails encrypted with digital signatures. Some of these email management applications include Microsoft Outlook 2010, PostBox and Mozilla Thunderbird. These files contain information as well as the source of the email and whether the email has been edited or modified during transmission, which means users with these email management applications incorporated with P7S support can make sure that the emails they receive are genuine, are originating from trusted senders and are not tampered with, before they open and view the emails.
MSG file is an Outlook Message File created using Microsoft Outlook containing details of an email such as date, sender’s name, recipient’s name, body of the message, and is compatible with other applications using MAPI [Messaging Applications Programming Interface]. Aside from Microsoft Outlook, other programs that can open MSG files are EZ Freeware Free Opener, BitDaddys Email Open View Pro and Encryptomatic MsgViewer Pro for Windows system, Kupon.BG Klammer for iOS and Mac OS, and 45RPM MailRadier for Mac. Microsoft Outlook is a feature of Microsoft Office. The latest versions are Microsoft Outlook 2010 for Windows and Microsoft Outlook 2011 available for Mac users. The main use of this software is for email purposes that includes to create, send, reply to and forward an email message, open and save file attachments in an email, create and add an email signature. Other features include Calendar that allows you to make appointments and set meetings with other people, Contacts, Tasks and Notes and Print [to print emails, calendar entries, tasks and contacts].
The users system must be running with winxp SP2, winvista, win7, MAC OS X 10.6 or later versions of MAC OS X in order to install PostBox. In addition, PostBox requires the following necessities: 2 GB RAM, 200 MB Hard Drive, and Pentium 4 1.5 Ghz. Windows operating system must be 32 bit in order for this software to work. PostBox can support emails, some social media activities and other applications in your Internet browsers. This software is created by PostBox Inc. to organize Internet activities in one application. This can coordinate with DropBox as well. This enables users to send links instead of large bulk of files. PostBox has an advance features in previewing pictures attached to your emails. PostBox can update status in the users’ social media accounts such as Facebook, LinkedIn and Twitter. IMAP and POP email accounts are supported by PostBox like Gmail, AOL, Dreamhost, Comcast, Hotmail, Yahoo, iCloud and so on.
นามสกุลไฟล์เป็นชุดของสามหรือสี่ตัวอักษรที่ส่วนท้ายของชื่อไฟล์นั้นในกรณีนี้ .p7s. นามสกุลไฟล์ที่บอกคุณว่าชนิดของไฟล์ที่เป็นของ Windows และบอกสิ่งที่โปรแกรมสามารถเปิดได้ หน้าต่างมักจะร่วมโปรแกรมเริ่มต้นที่จะขยายแต่ละไฟล์เพื่อที่ว่าเมื่อคุณดับเบิลคลิกที่ไฟล์โปรแกรมที่เปิดโดยอัตโนมัติ เมื่อโปรแกรมที่ไม่ได้อยู่บนเครื่องคอมพิวเตอร์ของคุณบางครั้งคุณสามารถได้รับข้อผิดพลาดเมื่อคุณพยายามที่จะเปิดไฟล์ที่เกี่ยวข้อง