The company's CEO apologized for Yahoo Mail's prolonged, multiday outage.
The photo-hosting site crashed for some users this morning, adding to Yahoo's service woes.
The e-mail service hits day two of its partial outage, and the company promises to restore access by 3 p.m. PT.
After Google chat services go down for many users for about three hours, some find they actually have to talk to people in person.
It's happened before, apparently, but the timing of this outage is notable, following as it does on Facebook's staggering-sum purchase of the messaging app.
For the second time this month, some Office 365 users in North America are experiencing problems with e-mail.
Yahoo's email outage was more complex than it previously thought, the company's CEO has said in an apologetic blog post.
Yahoo has apologised for an outage to its Yahoo Mail service that has lasted since Tuesday morning UK time.
Due to an internal error, the daily deals' Web site and app have been out of commission for more than 24 hours.
Yet another Apple iTunes Store outage, for three hours Tuesday morning, keeps a large chunk of users from making purchases.