Features |
Thunderbird |
Outlook |
Platform |
Windows, Linux, Mac OS, Unix, BSD |
Windows and Mac OS |
Multiple Email Account |
Yes |
No |
USB Portable for file transfer |
Yes |
No |
Sharing profile between Windows and Linux |
Yes |
No |
64 bit application on OS |
Windows, Linux and Mac OS |
Windows |
Network News Transfer Protocol |
Supported |
Not Supported |
Usenet News Reader |
Supported |
Not Supported |
Send large file via web service |
Supported |
Not Supported |
Support multiple POP account |
Supported |
Not Supported |
Auto detects date information |
Supported |
Not Supported |
Smart Folder |
Supported |
Not Supported |
Localization |
53 Languages |
96 Languages |
MS Exchange Server Protocol |
Yes (By plugin DavMail) |
Supported |
Encrypt Email |
Not Supported |
Supported |
Separation of Files and Data |
Supported |
Supported |
Bi-diectional text support |
Not Supported |
Supported |
Integrated Development Environment |
Not Supported |
Supported |
Cloud Version |
Not Supported |
Supported |
Email Merge |
Yes (By plugin Mail Merge) |
Yes |
File Size Limit |
Using MBOX internal storage |
50 GB |
Delay sending mail |
Yes (By plugin Send Later) |
Yes |
Follow up attribute |
No |
Yes (Don’t reply, Don’t Forward) |
File Types |
Txt, PDF |
Txt, PDF, doc(x), xlx(x), ppt(x), odt, ods |
Email Voting |
No |
Yes |
Edit received email messages and subjects |
No |
Yes |
Set Permission on IMAP mailboxes |
Yes (By plugin IMAP ACL ext) |
No |
Email category |
No |
Yes |
Connect Calender to MS Exchange Server |
Yes (By plugin Exchange EWS Provider) |
Yes |
Show birthday in Calendar |
Yes (By ThunderBirthday) |
Yes |
Connect to Google Calendar |
Yes (By Provider for Google Calendar) |
Yes |
View more than one Calendar |
No |
Yes |
Chat |
Supported (Google Talk,AIM,Yahoo,Skype,QQ,MSN, ICQ, Jabber, IRC) |
Supported (Skype, IM Address) |
Automatic add contact to address book |
Yes |
No |
Contact Categories |
Yes (By MoreFunctionForAddressBook) |
Yes |
Search Contact |
Yes (Name or Email) |
Yes (Name, Email, Telephone No., Address, Notes) |
Store Multiple Phone No. |
No |
Yes |
Attach files to Contact |
No |
Yes |
Show post from social networking in address book |
No |
Yes (Facebook, Linkedin, Xing) |
Task |
Yes |
Yes |
RSS Feed Reader |
Yes |
Yes |