| 1764 | Symphony No. 1 in E-flat major, K. 16 | Confirmed | 12' |
| 1765 | Symphony No. 2 in B-flat major, K. 17 | Confirmed | 10' |
| 1765 | Symphony No. 3 in E-flat major, K. 18 | Confirmed | 10' |
| 1765 | Symphony No. 4 in D major, K. 19 | Confirmed | 11' |
| 1765 | Symphony No. 5 in B-flat major, K. 22 | Confirmed | 10' |
| 1767 | Piano Concerto No. 1 in F major, K. 37 | Confirmed | 14' |
| 1767 | Piano Concerto No. 2 in B-flat major, K. 39 | Confirmed | 14' |
| 1767 | Piano Concerto No. 3 in D major, K. 40 | Confirmed | 14' |
| 1767 | Piano Concerto No. 4 in G major, K. 41 | Confirmed | 15' |
| 1767 | Symphony No. 6 in F major, K. 43 | Confirmed | 15' |
| 1768 | Symphony No. 7 in D major, K. 45 | Confirmed | 13' |
| 1768 | Symphony No. 8 in D major, K. 48 | Confirmed | 14' |
| 1769 | Serenade No. 1 in D major, K. 100 | Confirmed | 35' |
| 1770 | Mitridate, re di Ponto, K. 87 · opera · chorus | Confirmed | 180' |
| 1770 | Symphony No. 10 in G major, K. 74 | Confirmed | 10' |
| 1770 | Symphony No. 11 in D major, K. 84 | Confirmed | 12' |
| 1771 | Symphony No. 12 in G major, K. 110 | Confirmed | 16' |
| 1771 | Symphony No. 13 in F major, K. 112 | Confirmed | 13' |
| 1771 | Symphony No. 14 in A major, K. 114 | Confirmed | 17' |
| 1772 | Lucio Silla, K. 135 · opera · chorus | Confirmed | 180' |
| 1772 | Symphony No. 15 in G major, K. 124 | Confirmed | 13' |
| 1772 | Symphony No. 16 in C major, K. 128 | Confirmed | 13' |
| 1772 | Symphony No. 17 in G major, K. 129 | Confirmed | 14' |
| 1772 | Symphony No. 18 in F major, K. 130 | Confirmed | 20' |
| 1772 | Symphony No. 19 in E-flat major, K. 132 | Confirmed | 20' |
| 1772 | Symphony No. 20 in D major, K. 133 | Confirmed | 18' |
| 1772 | Symphony No. 21 in A major, K. 134 | Confirmed | 17' |
| 1772 | Symphony No. 9 in C major, K. 73 | Confirmed | 13' |
| 1773 | Exsultate, jubilate, K. 165 | Confirmed | 15' |
| 1773 | Piano Concerto No. 5 in D major, K. 175 | Confirmed | 20' |
| 1773 | Serenade No. 3 in D major, K. 185 | Confirmed | 32' |
| 1773 | Symphony No. 22 in C major, K. 162 | Confirmed | 10' |
| 1773 | Symphony No. 23 in D major, K. 181 | Confirmed | 11' |
| 1773 | Symphony No. 24 in B-flat major, K. 182 | Confirmed | 10' |
| 1773 | Symphony No. 25 in G minor, K. 183 | Confirmed | 22' |
| 1773 | Symphony No. 26 in E-flat major, K. 184 | Confirmed | 9' |
| 1773 | Symphony No. 27 in G major, K. 199 | Confirmed | 13' |
| 1773 | Violin Concerto No. 1 in B-flat major, K. 207 | Confirmed | 21' |
| 1774 | Bassoon Concerto in B-flat major, K. 191 | Confirmed | 18' |
| 1774 | Concertone for Two Violins in C major, K. 190 (186E) | Confirmed | 33' |
| 1774 | Serenade No. 4 in D major, K. 203 | Confirmed | 40' |
| 1774 | Symphony No. 28 in C major, K. 200 | Confirmed | 20' |
| 1774 | Symphony No. 29 in A major, K. 201 | Confirmed | 22' |
| 1774 | Symphony No. 30 in D major, K. 202 | Confirmed | 15' |
| 1775 | Il re pastore, K. 208 · chorus | Confirmed | 120' |
| 1775 | La finta giardiniera, K. 196 · opera · chorus | Confirmed | 180' |
| 1775 | Serenade No. 5 in D major, K. 204 | Confirmed | 38' |
| 1775 | Violin Concerto No. 2 in D major, K. 211 | Confirmed | 20' |
| 1775 | Violin Concerto No. 3 in G major, K. 216 | Confirmed | 24' |
| 1775 | Violin Concerto No. 4 in D major, K. 218 | Confirmed | 24' |
| 1775 | Violin Concerto No. 5 in A major, K. 219 “Turkish” | Confirmed | 28' |
| 1776 | Piano Concerto No. 6 in B-flat major, K. 238 | Confirmed | 20' |
| 1776 | Piano Concerto No. 7 in F major, K. 242 | Confirmed | 24' |
| 1776 | Piano Concerto No. 8 in C major, K. 246 “Lützow” | Confirmed | 22' |
| 1776 | Serenade No. 2 in F major, K. 101 (Contredanses) | Confirmed | 12' |
| 1776 | Serenade No. 6 in D major, K. 239 “Serenata notturna” | Confirmed | 13' |
| 1776 | Serenade No. 7 in D major, K. 250 “Haffner” | Confirmed | 55' |
| 1777 | Oboe Concerto in C major, K. 314 (285d) | Confirmed | 21' |
| 1777 | Piano Concerto No. 9 in E-flat major, K. 271 “Jeunehomme” | Confirmed | 31' |
| 1777 | Serenade No. 8 in D major, K. 286 “Notturno” for four orchestras | Confirmed | 14' |
| 1778 | Flute and Harp Concerto in C major, K. 299 | Confirmed | 30' |
| 1778 | Flute Concerto No. 1 in G major, K. 313 | Confirmed | 25' |
| 1778 | Flute Concerto No. 2 in D major, K. 314 | Confirmed | 20' |
| 1778 | Sinfonia Concertante for Winds in E-flat major, K. 297b (Anh. C 14.01) | Confirmed | 32' |
| 1778 | Symphony No. 31 in D major, K. 297 “Paris” | Confirmed | 18' |
| 1779 | Piano Concerto No. 10 in E-flat major, K. 365 | Confirmed | 25' |
| 1779 | Serenade No. 9 in D major, K. 320 “Posthorn” | Confirmed | 45' |
| 1779 | Sinfonia Concertante in E-flat major, K. 364 (for violin and viola) | Confirmed | 30' |
| 1779 | Symphony No. 32 in G major, K. 318 | Confirmed | 8' |
| 1779 | Symphony No. 33 in B-flat major, K. 319 | Confirmed | 20' |
| 1780 | Symphony No. 34 in C major, K. 338 | Confirmed | 21' |
| 1780 | Vesperae solennes de confessore, K. 339 · chorus | Confirmed | 28' |
| 1781 | Idomeneo, re di Creta, K. 366 · opera · chorus | Confirmed | 190' |
| 1781 | Serenade No. 10 in B-flat major, K. 361 “Gran Partita” | Confirmed | 50' |
| 1781 | Serenade No. 11 in E-flat major, K. 375 “for wind octet” | Confirmed | 25' |
| 1782 | Die Entführung aus dem Serail, K. 384 · opera · chorus | Confirmed | 150' |
| 1782 | Piano Concerto No. 11 in F major, K. 413 | Confirmed | 24' |
| 1782 | Piano Concerto No. 12 in A major, K. 414 | Confirmed | 26' |
| 1782 | Serenade No. 12 in C minor, K. 388 “for wind octet” | Confirmed | 22' |
| 1782 | Symphony No. 35 in D major, K. 385 “Haffner” | Confirmed | 20' |
| 1783 | Horn Concerto No. 2 in E-flat major, K. 417 | Confirmed | 14' |
| 1783 | Mass in C minor, K. 427 “Great” · chorus | Confirmed | 55' |
| 1783 | Piano Concerto No. 13 in C major, K. 415 | Confirmed | 26' |
| 1783 | Symphony No. 36 in C major, K. 425 “Linz” | Confirmed | 27' |
| 1783 | Symphony No. 37 in G major, K. 444 | Confirmed | 16' |
| 1784 | Piano Concerto No. 14 in E-flat major, K. 449 | Confirmed | 22' |
| 1784 | Piano Concerto No. 15 in B-flat major, K. 450 | Confirmed | 25' |
| 1784 | Piano Concerto No. 16 in D major, K. 451 | Confirmed | 24' |
| 1784 | Piano Concerto No. 17 in G major, K. 453 | Confirmed | 30' |
| 1784 | Piano Concerto No. 18 in B-flat major, K. 456 | Confirmed | 29' |
| 1784 | Piano Concerto No. 19 in F major, K. 459 | Confirmed | 28' |
| 1785 | Maurerische Trauermusik, K. 477 | Confirmed | 6' |
| 1785 | Piano Concerto No. 20 in D minor, K. 466 | Confirmed | 30' |
| 1785 | Piano Concerto No. 21 in C major, K. 467 | Confirmed | 29' |
| 1785 | Piano Concerto No. 22 in E-flat major, K. 482 | Confirmed | 35' |
| 1786 | Horn Concerto No. 4 in E-flat major, K. 495 | Confirmed | 16' |
| 1786 | Le nozze di Figaro, K. 492 (complete opera) · opera · chorus | Confirmed | 170' |
| 1786 | Overture to Le nozze di Figaro, K. 492 | Confirmed | 4' |
| 1786 | Piano Concerto No. 23 in A major, K. 488 | Confirmed | 26' |
| 1786 | Piano Concerto No. 24 in C minor, K. 491 | Confirmed | 30' |
| 1786 | Piano Concerto No. 25 in C major, K. 503 | Confirmed | 32' |
| 1786 | Symphony No. 38 in D major, K. 504 “Prague” | Confirmed | 25' |
| 1787 | Don Giovanni, K. 527 (complete opera) · opera · chorus | Confirmed | 165' |
| 1787 | Horn Concerto No. 3 in E-flat major, K. 447 | Confirmed | 15' |
| 1787 | Overture to Don Giovanni, K. 527 | Confirmed | 6' |
| 1787 | Serenade No. 13 in G major, K. 525 “Eine kleine Nachtmusik” | Confirmed | 18' |
| 1788 | Piano Concerto No. 26 in D major, K. 537 “Coronation” | Confirmed | 30' |
| 1788 | Symphony No. 39 in E-flat major, K. 543 | Confirmed | 26' |
| 1788 | Symphony No. 40 in G minor, K. 550 | Confirmed | 28' |
| 1788 | Symphony No. 41 in C major, K. 551 “Jupiter” | Confirmed | 33' |
| 1790 | Così fan tutte, K. 588 (complete opera) · opera · chorus | Confirmed | 180' |
| 1790 | Overture to Così fan tutte, K. 588 | Confirmed | 5' |
| 1791 | Clarinet Concerto in A major, K. 622 | Confirmed | 29' |
| 1791 | Die Zauberflöte, K. 620 (complete opera) · opera · chorus | Confirmed | 150' |
| 1791 | Horn Concerto No. 1 in D major, K. 412 | Confirmed | 9' |
| 1791 | La clemenza di Tito, K. 621 · opera · chorus | Confirmed | 140' |
| 1791 | Overture to Die Zauberflöte, K. 620 | Confirmed | 7' |
| 1791 | Piano Concerto No. 27 in B-flat major, K. 595 | Confirmed | 30' |
| 1791 | Requiem in D minor, K. 626 (compl. Süssmayr) · chorus | Confirmed | 55' |
| — | Adagio and Fugue in C minor, K. 546 | TBD | — |
| — | Adagio in E major, K. 261 | Confirmed | — |
| — | Andante in C major for Flute, K. 315/285e | TBD | — |
| — | Ave Verum Corpus, K. 618 · chorus | TBD | — |
| — | Bastien et Bastienne, K. 50/46b: Overture (Concert Edition) | TBD | — |
| — | Benedictus sit Deus, K. 117/66a · chorus | TBD | — |
| — | Cassation No. 1 in G major, K. 63 | Confirmed | — |
| — | Cassation No. 2 in B-flat major, K. 99/63a | Confirmed | — |
| — | Concert Rondo for Horn in E-flat major, K. 371 | Confirmed | — |
| — | Contredances, K. 267/271c (4) | TBD | — |
| — | Der Schauspieldirektor, K. 486 - The Impresario | Confirmed | — |
| — | Divertimento No. 1 in E-flat major, K. 113 | TBD | — |
| — | Divertimento No. 10 in F major, K. 247 | TBD | — |
| — | Divertimento No. 11 in D major, K. 251 | TBD | — |
| — | Divertimento No. 15 in B-flat major, K. 287/271h | Confirmed | — |
| — | Divertimento No. 17 in D major, K. 334/320b | TBD | — |
| — | Divertimento No. 2 in D major, K. 131 | TBD | — |
| — | Divertimento No. 7 in D major, K. 205/167a | TBD | — |
| — | Ein Musikalischer Spass, K. 522 (A Musical Joke) | Confirmed | — |
| — | German Dances, K. 567 (6) | TBD | — |
| — | German Dances, K. 586 (12) | TBD | — |
| — | German Dances, K. 600 (6) | TBD | — |
| — | Gloria in Excelsis Deo from Mass No. 12 in G major (Twelfth Mass), K. Anh. 232 / C1.04 | TBD | — |
| — | Idomeneo, K. 366: Overture (original version) | Confirmed | — |
| — | Idomeneo: Ballet Music, K. 367 | Confirmed | — |
| — | Il re pastore, K. 208: Overture | Confirmed | — |
| — | Inter Natos Mulierum, K. 72/74f · chorus | TBD | — |
| — | Inter Natos Mulierum, K. 72/74f, Offertorium St. Joannis Baptistae · chorus | TBD | — |
| — | Kyrie in D minor, K. 341/368a · chorus | TBD | — |
| — | La Betulia Liberata, K. 118/74c: Overture | TBD | — |
| — | La clemenza di Tito (The Clemency of Titus), K. 621: Overture | Confirmed | — |
| — | La finta giardiniera, K. 196: Overture | TBD | — |
| — | Les Petits Riens: Ballet, K.Anh. 10/K. 299b | Confirmed | — |
| — | Litaniae Lauretanae de Beata Virgine, K. 195/186d · chorus | TBD | — |
| — | Litaniae Lauretanae de Beata Virgine, K.109/74e · chorus | TBD | — |
| — | Lucio Silla, K. 135: Overture | Confirmed | — |
| — | March in C major, K. 214 | TBD | — |
| — | March in D major, K. 189/167b | TBD | — |
| — | March in D major, K. 249 | TBD | — |
| — | Mass in C major, K. 167 (Missa Trinitatis) · chorus | Confirmed | — |
| — | Mass No. 12 in G major (Twelfth Mass) K. Anh. 232 / C1.04 · chorus | Confirmed | — |
| — | Minuet in C major, K. 409/383f | TBD | — |
| — | Minuets, K. 601 (4) | TBD | — |
| — | Misericordias Domini, K. 222/205a · chorus | TBD | — |
| — | Missa Brevis in B-flat major, K. 275/272b · chorus | TBD | — |
| — | Missa Brevis in C major, K. 220/196b “Spatzenmesse” (Sparrow Mass) · chorus | Confirmed | — |
| — | Missa Brevis in C major, K. 258 “Spaurmesse” · chorus | Confirmed | — |
| — | Missa Brevis in C major, K. 259 “Organ Solo” · chorus | Confirmed | — |
| — | Missa Brevis in D major, K. 194/186h | TBD | — |
| — | Missa Brevis in D minor, K. 65/61a · chorus | TBD | — |
| — | Missa Brevis in F major, K. 192/186f · chorus | TBD | — |
| — | Missa Brevis in G major, K. 49/47d · chorus | TBD | — |
| — | Missa Solemnis in C major, K. 337 (Mass in C major, K. 337) · chorus | Confirmed | — |
| — | Mitridate, Re di Ponto, K. 87/74a: Overture | TBD | — |
| — | Nun, liebes Weibchen, ziehst du mit mir, K. 625/592a | TBD | — |
| — | Regina Coeli in C major, K. 276/321b · chorus | Confirmed | — |
| — | Rondo Concertant, K. 269/261a | TBD | — |
| — | Rondo in C major, K. 373 | Confirmed | — |
| — | Rondo in D major, K. 382 | TBD | — |
| — | Sancta Maria, Mater Dei, K. 273 · chorus | TBD | — |
| — | Six German Dances, K. 509 | Confirmed | — |
| — | Six German Dances, K. 571 | Confirmed | — |
| — | Sonatina in F major, K.Anh. 135/K. 547a | TBD | — |
| — | Symphony in C major, K. 96/111b (No. 46) | TBD | — |
| — | Symphony in D major, K. 121/207a | TBD | — |
| — | Symphony in D major, K. 161/141a | TBD | — |
| — | Symphony in D major, K. 81/73l (No. 44) | TBD | — |
| — | Symphony in D major, K. 95/73n (No. 45) | TBD | — |
| — | Symphony in D major, K. 97/73m (No. 47) | TBD | — |
| — | Symphony in F major, K. 76/42a (No. 43) | TBD | — |
| — | Te Deum laudamus, K. 141/66b · chorus | TBD | — |
| — | Three Divertimenti, K. 136-138/125a-c | TBD | — |
| — | Three German Dances, K. 605 (including Sleigh Ride) | TBD | — |
| — | Variations on “Ah vous dirai-je Maman,” K. 265/300e | TBD | — |