In Outlook 365 and earlier versions, PST (.pst) files are used to store emails and other information. Sometimes, while accessing a PST file, you may encounter the ...

Some users have reported that when they open MS Outlook, they receive an error message that Outlook is using an old copy of your Outlook data file (.ost). For some ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. First things first, although it is understandable to think ...

Is the classic Outlook email client crashing when you create or open a new email? If so, Microsoft suggests creating a new FORMS2 folder to fix the problem. Why Is Outlook Crashing On Starting or ...

Microsoft has shared a temporary fix for a known issue that causes classic Outlook to crash when writing, replying to, or forwarding an email. These problems appear after updating Outlook for ...

Office 365のWebブラウザを利用するOutlook機能の基本設定を紹介します。Office 365を使い始めるとき、最初に使い始め、また最も使用頻度が高いのは、多くのユーザーにとってOutlookでしょう。Outlookは、メールの送受信、連絡先、予定表を中心に活用します。