[{"data":1,"prerenderedAt":634},["ShallowReactive",2],{"blog-article-\u002Ftw\u002Fblog\u002Fwindows-11-c-drive-full":3},{"id":4,"title":5,"author":6,"body":7,"category":615,"cover":616,"coverAlt":617,"description":618,"draft":619,"extension":620,"meta":621,"navigation":622,"path":623,"publishedAt":624,"seo":625,"stem":626,"tags":627,"translationKey":632,"updatedAt":624,"__hash__":633},"articles_tw\u002Ftw\u002Fblog\u002Fwindows-11-c-drive-full.md","Windows 11 C 槽快滿了？如何安全釋放儲存空間","Harry",{"type":8,"value":9,"toc":592},"minimark",[10,35,44,49,56,59,87,90,94,101,108,111,115,122,125,163,170,174,180,194,197,201,208,228,231,238,242,249,255,270,273,277,280,283,289,295,298,309,313,415,422,426,429,449,452,456,467,473,478,501,504,509,512,516,522,526,529,533,536,540,543,546],[11,12,13,14,18,19,23,24,23,27,30,31,34],"p",{},"Windows 11 的 C 槽快滿時，先開啟 ",[15,16,17],"strong",{},"設定 → 系統 → 儲存空間","，確認究竟是「已安裝的應用程式」、「其他」、「暫存檔案」還是個人檔案佔用了空間。接著再逐項檢查清理建議、暫存檔案、應用程式和下載資料夾。不要一開始就刪除 ",[20,21,22],"code",{},"C:\\Windows","、",[20,25,26],{},"Program Files",[20,28,29],{},"ProgramData"," 或 ",[20,32,33],{},"AppData"," 裡不熟悉的資料夾。",[11,36,37],{},[38,39],"img",{"alt":40,"decoding":41,"loading":42,"src":43},"檔案總管中的 C 槽容量顯示條變紅，476 GB 中只剩 32.8 GB 可用","async","lazy","https:\u002F\u002Fassets.mangodisk.app\u002Fmedia\u002Farticles\u002Fwindows-11-c-drive\u002Ftw\u002F01-windows-c-drive-low-space.webp",[45,46,48],"h2",{"id":47},"c-槽為什麼會突然滿了","C 槽為什麼會突然滿了？",[11,50,51,52,55],{},"C 槽通常同時存放 Windows、已安裝的軟體、使用者檔案和應用程式資料。即使你沒有主動把大型檔案存到 ",[20,53,54],{},"C:"," 根目錄，它還是可能在日常使用中慢慢變滿。",[11,57,58],{},"常見原因包括：",[60,61,62,66,69,72,75,78,81,84],"ul",{},[63,64,65],"li",{},"大型遊戲和軟體安裝在 C 槽；",[63,67,68],{},"下載、桌面或文件中累積了影片、壓縮檔和安裝程式；",[63,70,71],{},"Windows 更新留下的檔案和暫存檔案；",[63,73,74],{},"OneDrive 等雲端硬碟保留了本機副本；",[63,76,77],{},"瀏覽器快取、剪輯專案、通訊軟體檔案等應用程式資料；",[63,79,80],{},"虛擬機器、遊戲庫或開發工具被歸到「其他」；",[63,82,83],{},"Windows 升級後暫時保留的舊系統檔案；",[63,85,86],{},"某個應用程式或 Microsoft Store 處理程序異常，讓暫存資料夾不斷變大。",[11,88,89],{},"磁碟空間過低可能讓 Windows 更新更難安裝，也會影響系統正常運作。清理的目標不是把每個分類都縮到最小，而是在不破壞系統和應用程式的前提下，騰出足夠的可用空間。",[45,91,93],{"id":92},"第一步先看-c-槽空間用在哪裡","第一步：先看 C 槽空間用在哪裡",[11,95,96,97,100],{},"開啟 ",[15,98,99],{},"開始 → 設定 → 系統 → 儲存空間","。Windows 會把已使用的空間分成「已安裝的應用程式」、「暫存檔案」、「系統與保留」、「文件」、「其他」等類別。",[11,102,103,104,107],{},"如果前幾個類別無法說明總用量，點選 ",[15,105,106],{},"顯示更多類別","。請注意，「系統與保留」很大不代表可以直接清理，其中可能包含 Windows 本身、保留的儲存空間、虛擬記憶體和其他由系統管理的資料。",[11,109,110],{},"先記下最大的兩三個類別。這樣就不會花很多時間清掉幾百 MB 的快取，卻漏看佔用數十 GB 的遊戲、影片或虛擬機器。",[45,112,114],{"id":113},"第二步檢查清理建議和暫存檔案","第二步：檢查「清理建議」和暫存檔案",[11,116,117,118,121],{},"前往 ",[15,119,120],{},"設定 → 系統 → 儲存空間 → 清理建議","。Windows 會列出暫存檔案、不常使用的大型檔案、已同步到雲端的檔案，以及很少使用的應用程式。",[11,123,124],{},"不要一次全部勾選，建議逐項確認：",[60,126,127,133,139,145,151,157],{},[63,128,129,132],{},[15,130,131],{},"資源回收筒："," 確認沒有誤刪的檔案後，通常可以清空；",[63,134,135,138],{},[15,136,137],{},"暫存檔案："," 許多項目可以移除，但仍要閱讀每個選項；",[63,140,141,144],{},[15,142,143],{},"下載："," 裡面往往是個人檔案，不能當成一般快取；",[63,146,147,150],{},[15,148,149],{},"先前的 Windows 安裝："," 只有確定不需要回復舊版本時才移除；",[63,152,153,156],{},[15,154,155],{},"大型或未使用的檔案："," 先核對檔名和位置；",[63,158,159,162],{},[15,160,161],{},"未使用的應用程式："," 透過 Windows 解除安裝，不要直接刪除安裝資料夾。",[11,164,165,166,169],{},"刪除「先前的 Windows 安裝」會移除 ",[20,167,168],{},"Windows.old","。Microsoft 提醒，這個動作無法復原，之後也不能回到先前的 Windows 版本。如果剛完成升級，或電腦目前仍不穩定，先保留會比較安心。",[45,171,173],{"id":172},"第三步正確移除大型應用程式和遊戲","第三步：正確移除大型應用程式和遊戲",[11,175,96,176,179],{},[15,177,178],{},"設定 → 應用程式 → 已安裝的應用程式","，依大小排序，檢查不再使用的軟體。大型遊戲、創作工具、離線地圖和同一工具的多個版本，通常比暫存檔案佔用更多空間。",[11,181,182,183,186,187,30,190,193],{},"請使用應用程式旁的 ",[15,184,185],{},"解除安裝"," 功能。不要為了騰出空間直接刪除 ",[20,188,189],{},"C:\\Program Files",[20,191,192],{},"C:\\Program Files (x86)"," 裡的資料夾，否則可能留下服務、捷徑、登錄項目和其他資料，同時讓軟體無法正常移除。",[11,195,196],{},"部分遊戲平台可以把遊戲庫移到其他磁碟。如果電腦還有第二個內部磁碟，使用平台內建的搬移功能，會比在檔案總管裡手動拖曳資料夾安全。",[45,198,200],{"id":199},"第四步整理下載和個人檔案","第四步：整理下載和個人檔案",[11,202,203,204,207],{},"開啟檔案總管，檢查 ",[15,205,206],{},"下載、桌面、影片、文件","，以及平常儲存螢幕錄影或匯出檔案的資料夾。依大小排序，優先查看：",[60,209,210,213,216,219,222,225],{},[63,211,212],{},"用完的安裝程式和 ZIP 壓縮檔；",[63,214,215],{},"重複匯出的檔案；",[63,217,218],{},"已完成的影片專案和螢幕錄影；",[63,220,221],{},"磁碟映像和虛擬機器檔案；",[63,223,224],{},"遊戲擷取內容；",[63,226,227],{},"已確認備份到其他位置的檔案。",[11,229,230],{},"仍需要的檔案可以移到其他磁碟或經過確認的備份。不要只因為檔案很大，就刪掉個人資料的唯一副本。",[11,232,233,234,237],{},"如果使用 OneDrive，可以在檔案或資料夾上按一下滑鼠右鍵，選擇 ",[15,235,236],{},"釋放空間","。雲端副本仍會保留，本機副本則變成「僅限線上」，下次開啟時需要網路連線。必須離線使用的資料不要這樣處理。",[45,239,241],{"id":240},"第五步設定儲存空間感知器但別誤刪下載檔案","第五步：設定「儲存空間感知器」，但別誤刪下載檔案",[11,243,244,245,248],{},"Windows 的 ",[15,246,247],{},"儲存空間感知器"," 可以自動清除不需要的暫存檔案，以及在資源回收筒中存放超過指定時間的內容。Microsoft 說明，預設設定不會處理下載資料夾或雲端內容，除非你主動設定這些選項。",[11,250,96,251,254],{},[15,252,253],{},"設定 → 系統 → 儲存空間 → 儲存空間感知器","，逐項確認：",[256,257,258,261,264,267],"ol",{},[63,259,260],{},"何時執行儲存空間感知器；",[63,262,263],{},"資源回收筒的檔案要保留多久；",[63,265,266],{},"是否允許自動清理下載資料夾；",[63,268,269],{},"多久未使用的雲端檔案可以變成「僅限線上」。",[11,271,272],{},"如果你平常把下載資料夾當作長期存放區，就保持自動清理關閉。儲存空間感知器主要管理系統磁碟（通常是 C 槽），其他磁碟仍要另外檢查。",[45,274,276],{"id":275},"windows-的分類還是說不清楚時","Windows 的分類還是說不清楚時",[11,278,279],{},"「其他」經常把互不相關的資料夾放在一起。磁碟空間分析工具可以直接顯示哪些路徑最大，不必逐個資料夾打開查看。",[11,281,282],{},"在下圖範例中，MangoDisk 掃描到 13 個頂層資料夾，共 159 GB。Users 資料夾佔 108 GB，Program Files 佔 21.0 GB，Windows 資料夾佔 11.0 GB。結果顯示應優先檢查使用者資料夾，但不代表可以刪除 Windows 等系統資料夾。",[11,284,285],{},[38,286],{"alt":287,"decoding":41,"loading":42,"src":288},"英文版 MangoDisk 以資料夾清單和亮色矩形樹狀圖呈現 Windows C 槽空間","https:\u002F\u002Fassets.mangodisk.app\u002Fmedia\u002Farticles\u002Fwindows-11-c-drive\u002Ftw\u002F02-mangodisk-disk-space-analysis.jpg",[11,290,291],{},[292,293,294],"em",{},"矩形樹狀圖能讓異常大的資料夾一目了然，但「很大」不代表「可以刪除」。",[11,296,297],{},"找到大型資料夾後，先回答三個問題：",[256,299,300,303,306],{},[63,301,302],{},"它是由哪個應用程式或使用者建立的？",[63,304,305],{},"它是個人檔案、可以重新產生的快取，還是系統必要元件？",[63,307,308],{},"對應的應用程式是否提供清理、解除安裝或搬移功能？",[45,310,312],{"id":311},"c-槽裡哪些內容可以刪哪些不要碰","C 槽裡哪些內容可以刪，哪些不要碰？",[314,315,316,332],"table",{},[317,318,319],"thead",{},[320,321,322,326,329],"tr",{},[323,324,325],"th",{},"檢查後通常可以處理",[323,327,328],{},"刪除前先確認影響",[323,330,331],{},"不要手動刪除",[333,334,335,352,367,383,398],"tbody",{},[320,336,337,341,344],{},[338,339,340],"td",{},"確認不再需要的資源回收筒內容",[338,342,343],{},"下載檔案和個人資料",[338,345,346,348,349],{},[20,347,22],{}," 和 ",[20,350,351],{},"System32",[320,353,354,357,362],{},[338,355,356],{},"在設定中逐項確認的暫存檔案",[338,358,359,361],{},[20,360,168],{}," 和先前的系統安裝",[338,363,364],{},[20,365,366],{},"C:\\Windows\\WinSxS",[320,368,369,372,375],{},[338,370,371],{},"自己認得的舊安裝程式和壓縮檔",[338,373,374],{},"雲端硬碟檔案的本機副本",[338,376,377,348,379,382],{},[20,378,26],{},[20,380,381],{},"Program Files (x86)"," 資料夾",[320,384,385,388,391],{},[338,386,387],{},"透過 Windows 正常解除安裝的應用程式",[338,389,390],{},"大型應用程式資料、遊戲庫和虛擬機器",[338,392,393,30,395,397],{},[20,394,29],{},[20,396,33],{}," 中不熟悉的資料夾",[320,399,400,403,406],{},[338,401,402],{},"已確認在其他位置有備份的檔案",[338,404,405],{},"還原點和系統保護資料",[338,407,408,23,411,414],{},[20,409,410],{},"pagefile.sys",[20,412,413],{},"hiberfil.sys"," 等受保護檔案",[11,416,417,418,421],{},"尤其不要手動清空 ",[20,419,420],{},"WinSxS","。Microsoft 警告，刪除其中的檔案可能嚴重損壞 Windows，讓電腦無法開機或更新。應由 Windows 自己維護；只有在明確的進階維護情境中，才使用系統支援的工具。",[45,423,425],{"id":424},"為什麼剛清完c-槽又滿了","為什麼剛清完，C 槽又滿了？",[11,427,428],{},"如果可用空間很快又減少，不要一直重複刪除相同內容，而要看看最近發生了什麼：",[60,430,431,434,437,440,443,446],{},[63,432,433],{},"Windows 或大型應用程式正在下載更新；",[63,435,436],{},"瀏覽器、編輯器或遊戲重新建立快取；",[63,438,439],{},"OneDrive 正在下載標示為「一律保留在此裝置上」的檔案；",[63,441,442],{},"螢幕錄影、備份或通訊軟體持續把資料寫入 C 槽；",[63,444,445],{},"某個處理程序異常，讓暫存資料夾不斷增長；",[63,447,448],{},"手動刪除的資料又被應用程式重新建立。",[11,450,451],{},"重新啟動後再比較儲存空間類別。如果同一個資料夾持續變大，應檢查建立它的應用程式，而不是定期強制刪除該資料夾。",[45,453,455],{"id":454},"需要更清楚的空間地圖時可以使用-mangodisk","需要更清楚的空間地圖時，可以使用 MangoDisk",[11,457,458,459,466],{},"如果 Windows 的分類仍無法說明空間用在哪裡，",[460,461,465],"a",{"href":462,"rel":463},"https:\u002F\u002Fmangodisk.app\u002Ftw",[464],"nofollow","MangoDisk"," 可以在本機掃描 C 槽，並用清單和矩形樹狀圖呈現資料夾大小。你可以先查看路徑和容量，再決定是否處理；掃描本身不會自動刪除找到的大型檔案。",[11,468,469],{},[38,470],{"alt":471,"decoding":41,"loading":42,"src":472},"英文版 MangoDisk 深度清理顯示可清理類別、檔案大小、風險標示和手動選擇","https:\u002F\u002Fassets.mangodisk.app\u002Fmedia\u002Farticles\u002Fwindows-11-c-drive\u002Ftw\u002F03-mangodisk-deep-cleanup.jpg",[11,474,475],{},[292,476,477],{},"深度清理會在刪除前列出偵測結果和預估可釋放空間。不要把估算值當成保證結果；不熟悉的項目應先展開確認，再決定是否勾選。",[11,479,480,481,485,486,490,491,495,496,500],{},"建議先用",[460,482,484],{"href":483},"\u002Ftw\u002Fdocs\u002Ffeatures\u002Fdisk-analysis","磁碟空間分析","找出大型資料夾，透過",[460,487,489],{"href":488},"\u002Ftw\u002Fdocs\u002Ffeatures\u002Flarge-files","大型檔案","逐一檢查，或使用",[460,492,494],{"href":493},"\u002Ftw\u002Fdocs\u002Ffeatures\u002Fdeep-clean","深度清理","查看快取和其他清理項目。磁碟分析與大型檔案中的刪除屬於永久刪除，請先閱讀 ",[460,497,499],{"href":498},"\u002Ftw\u002Fdocs\u002Fsafety","MangoDisk 安全指南","，並替重要資料保留備份。",[45,502,503],{"id":503},"常見問題",[505,506,508],"h3",{"id":507},"windowsold-可以刪除嗎","Windows.old 可以刪除嗎？",[11,510,511],{},"如果確定不再需要回到先前的 Windows 版本，就可以刪除。請透過「暫存檔案」或「清理建議」處理，不要在檔案總管中強制移除。刪除後無法恢復回復功能。",[505,513,515],{"id":514},"winsxs-資料夾可以刪除嗎","WinSxS 資料夾可以刪除嗎？",[11,517,518,519,521],{},"不可以手動刪除。Windows 會使用 ",[20,520,366],{}," 進行系統維護、復原和更新，應交給 Windows 內建機制管理。",[505,523,525],{"id":524},"儲存空間感知器安全嗎","儲存空間感知器安全嗎？",[11,527,528],{},"它的預設行為較保守，但實際結果仍取決於你的設定。啟用前，請檢查資源回收筒、下載資料夾和雲端內容的保留時間。",[505,530,532],{"id":531},"c-槽應該保留多少可用空間","C 槽應該保留多少可用空間？",[11,534,535],{},"沒有適合每一台電腦的固定比例。Windows 會依磁碟容量和系統運作門檻判斷空間不足。請替平常使用和後續更新預留空間，不要等到容量顯示條變紅才處理。",[505,537,539],{"id":538},"清理-c-槽一定會讓電腦變快嗎","清理 C 槽一定會讓電腦變快嗎？",[11,541,542],{},"如果空間太少已經影響更新、暫存檔案或正常運作，釋放空間可能有幫助。但它不是必然的效能升級，誤刪系統檔案反而會降低穩定性。",[45,544,545],{"id":545},"官方資料與延伸閱讀",[60,547,548,556,563,570,577,585],{},[63,549,550,551],{},"Microsoft 支援服務：",[460,552,555],{"href":553,"rel":554},"https:\u002F\u002Fsupport.microsoft.com\u002Fen-US\u002FWindows\u002FExperience\u002FStorage-FileManagement\u002Ffree-up-drive-space-in-windows",[464],"在 Windows 中釋放磁碟機空間",[63,557,550,558],{},[460,559,562],{"href":560,"rel":561},"https:\u002F\u002Fsupport.microsoft.com\u002Fen-us\u002Fwindows\u002Fexperience\u002Fstorage-filemanagement\u002Fstorage-settings-in-windows",[464],"Windows 中的儲存空間設定",[63,564,550,565],{},[460,566,569],{"href":567,"rel":568},"https:\u002F\u002Fsupport.microsoft.com\u002Fen-US\u002FWindows\u002FExperience\u002FStorage-FileManagement\u002Fmanage-drive-space-with-storage-sense",[464],"使用儲存空間感知器管理磁碟機空間",[63,571,550,572],{},[460,573,576],{"href":574,"rel":575},"https:\u002F\u002Fsupport.microsoft.com\u002Fen-us\u002Foffice\u002Fsave-disk-space-with-onedrive-files-on-demand-for-windows-0e6860d3-d9f3-4971-b321-7092438fb38e",[464],"使用 OneDrive 檔案隨選節省磁碟空間",[63,578,579,580],{},"Microsoft Learn：",[460,581,584],{"href":582,"rel":583},"https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fwindows-hardware\u002Fmanufacture\u002Fdesktop\u002Fclean-up-the-winsxs-folder?view=windows-11",[464],"清理 WinSxS 資料夾",[63,586,587,588],{},"延伸閱讀：",[460,589,591],{"href":590},"\u002Ftw\u002Fblog\u002Fmac-system-data-too-large","Mac 系統資料太大？如何安全釋放空間",{"title":593,"searchDepth":594,"depth":594,"links":595},"",2,[596,597,598,599,600,601,602,603,604,605,606,614],{"id":47,"depth":594,"text":48},{"id":92,"depth":594,"text":93},{"id":113,"depth":594,"text":114},{"id":172,"depth":594,"text":173},{"id":199,"depth":594,"text":200},{"id":240,"depth":594,"text":241},{"id":275,"depth":594,"text":276},{"id":311,"depth":594,"text":312},{"id":424,"depth":594,"text":425},{"id":454,"depth":594,"text":455},{"id":503,"depth":594,"text":503,"children":607},[608,610,611,612,613],{"id":507,"depth":609,"text":508},3,{"id":514,"depth":609,"text":515},{"id":524,"depth":609,"text":525},{"id":531,"depth":609,"text":532},{"id":538,"depth":609,"text":539},{"id":545,"depth":594,"text":545},"Windows 儲存空間","\u002Fimages\u002Fblog\u002Fwindows-11-c-drive-full.webp","檢查即將存滿的 Windows C 槽與磁碟空間矩形樹狀圖的插圖","找出 Windows 11 C 槽被什麼佔滿，安全清除暫存檔案、移除不用的應用程式，並避開不能隨意刪除的系統檔案",false,"md",{},true,"\u002Ftw\u002Fblog\u002Fwindows-11-c-drive-full","2026-08-18T00:00:00+08:00",{"title":5,"description":618},"tw\u002Fblog\u002Fwindows-11-c-drive-full",[628,629,630,631,247],"Windows 11 C 槽空間不足","C 槽滿了怎麼清理","釋放 C 槽空間","Windows 11 尋找大型檔案","article-windows-11-c-drive-full","xcmrVQw1IG36GkUeM7pw8b72o6gVnFkaxktuiP_S4vA",1787210201458]