Outlook users were unable to connect to their Outlook.com as the site had difficulty in loading for some hours.
Microsoft's Teams app recently experience a bit of a glitch that affected services globally.
Apple and Microsoft shares rose 1% and 1.3%, respectively, to lead tech higher.
Top tech brands drifted lower, as investors fretted over uncertainty around the COVID-19 pandemic.
The tech-heavy Nasdaq ended its two-day losing streak, as deal activity lifted sentiment on the sector.
Microsoft had initially been recognized as the most likely winner earlier in the process.
Apple, which hit a $2 trillion market cap on August 19, lost about $325 billion in that time period.
Digital upskilling and reskilling will help individuals perform better in today's on-demand jobs.
The Facebook stock has been showing some upside as the company, diversified its portfolio to include e-commerce.
Amazon, Apple, Facebook, and Microsoft have performed better than most businesses during the COVID-19 pandemic.