The Shop Around the Corner

The Shop Around the Corner is a 1940 Ernst Lubitsch film starring Jimmy Stewart, Margaret Sullavan and Frank Morgan. It's a wonderful film that takes place during the Christmas season. It has a happy ending without being too silly or sugary sweet along the way.

trailer:

We are more fond of this than You've Got Mail, which was based on it.

You can watch it via DailyMotion divided into two sections. Part 1:

The Shop Around The Corner (1940) great... by dm_520286b21e769

Part 2:

The Shop Around The Corner (1940) part 2/2 by rosaclinton

Senses of Cinema says:

As William Paul [in Ernst Lubitsch’s American Comedy] observes, “No previous Lubitsch film is so thoroughly interested in the dynamic of a group: where society in the past might have functioned as a restriction on individual desire, this is the first film to posit personality itself as a function of society”

Time has it as one of their best 100 films. EW says it "may be the wisest romance ever put on celluloid". Variety praises it but is now behind a paywall. TCM has an overview. The New York Times says,

So there it is, and a pretty kettle of bubbling brew it makes under Mr. Lubitsch's deft and tender management and with a genial company to play it gently, well this side of farce and well that side of utter seriousness.