Microsoft Office Outlook
Commercial
Microsoft Outlook is a personal information manager from Microsoft.
K-9 Mail
Open Source
K-9 Mail is an open source email client with support for multiple accounts, search, IMAP push email, multi-folder sync, flagging, filing, signatures.
Compare Mailspring with alternatives
Compare Microsoft Office Outlook and Mailspring and decide which is most suitable for you.
Compare K-9 Mail and Mailspring and decide which is most suitable for you.